theme in literature review

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How to Write a Thematic Literature Review: A Beginner’s Guide

Literature reviews provide a comprehensive understanding of existing knowledge in a particular field, offer insights into gaps and trends, and ultimately lay the foundation for innovative research. However, when tackling complex topics spanning multiple issues, the conventional approach of a standard literature review might not suffice. Many researchers present a literature review without giving any thought to its organization or structure, but this is where a thematic literature review comes into play. In this article, we will explore the significance of thematic reviews, delve into how and when to undertake them, and offer invaluable guidance on structuring and crafting a compelling thematic literature review.

Table of Contents

What is a thematic literature review?

A thematic literature review, also known as a thematic review, involves organizing and synthesizing the existing literature based on recurring themes or topics rather than a chronological or methodological sequence. Typically, when a student or researcher works intensively on their research there are many sub-domains or associated spheres of knowledge that one encounters. While these may not have a direct bearing on the main idea being explored, they provide a much-needed background or context to the discussion. This is where a thematic literature review is useful when dealing with complex research questions that involve multiple facets, as it allows for a more in-depth exploration of specific themes within the broader context.

When to opt for thematic literature review?

It is common practice for early career researchers and students to collate all the literature reviews they have undertaken under one single broad umbrella. However, when working on a literature review that involves multiple themes, lack of organization and structure can slow you down and create confusion. Deciding to embark on a thematic literature review is a strategic choice that should align with your research objectives. Here are some scenarios where opting for a thematic review is advantageous:

Broad Research Questions: When your research question spans across various dimensions and cannot be adequately addressed through a traditional literature review.
Interdisciplinary Research: In cases where your research draws from multiple disciplines, a thematic review helps in synthesizing diverse literature cohesively.
Emerging Research Areas: When exploring emerging fields or topics with limited existing literature, a thematic review can provide valuable insights by focusing on available themes.
Complex Issues: Thematic reviews are ideal for dissecting complex issues with multiple contributing factors or dimensions.

Advantages of a Thematic Literature Review

With better comprehension and broad insights, thematic literature reviews can help in identifying possible research gaps across themes. A thematic literature review has several advantages over a general or broad-based approach, especially for those working on multiple related themes.

It provides a comprehensive understanding of specific themes within a broader context, allowing for a deep exploration of relevant literature.
Thematic reviews offer a structured approach to organizing and synthesizing diverse sources, making it easier to identify trends, patterns, and gaps.
Researchers can focus on key themes, enabling a more detailed analysis of specific aspects of the research question.
Thematic reviews facilitate the integration of literature from various disciplines, offering a holistic view of the topic.
Researchers can provide targeted recommendations or insights related to specific themes, aiding in the formulation of research hypotheses.

Now that we know the benefits of a thematic literature review, what is the best way to arrange reviewed literature in a thematic format?

How to write a thematic literature review

To effectively structure and write a thematic literature review, follow these key steps:

Define Your Research Question: Clearly define the overarching research question or topic you aim to explore thematically. When writing a thematic literature review, go through different literature review sections of published research work and understand the subtle nuances associated with this approach.
Identify Themes: Analyze the literature to identify recurring themes or topics relevant to your research question. Categorize the bibliography by dividing them into relevant clusters or units, each dealing with a specific issue. For example, you can divide a topic based on a theoretical approach, methodology, discipline or by epistemology. A theoretical review of related literature for example, may also look to break down geography or issues pertaining to a single country into its different parts or along rural and urban divides.
Organize the Literature: Group the literature into thematic clusters based on the identified themes. Each cluster represents a different aspect of your research question. It is up to you to define the different narratives of thematic literature reviews depending on the project being undertaken; there is no one formal way of doing this. You can weigh how specific areas stack up against others in terms of existing literature or studies and how many more aspects may need to be added or further looked into.
Review and Synthesize: Within each thematic cluster, review and synthesize the relevant literature, highlighting key findings and insights. It is recommended to identify any theme-related strengths or weaknesses using an analytical lens.
Integrate Themes: Analyze how the themes interact with each other, draw linkages between earlier studies and see how they contribute to your own research. A thematic literature review presents readers with a comprehensive overview of the literature available on and around the research topic.
Provide a Framework: Develop a framework or conceptual model that illustrates the relationships between the themes. Present the most relevant part of the thematic review toward the end and study it in greater detail as it reflects the literature most relevant and directly related to the main research topic.
Conclusion: Conclude your thematic literature review by summarizing the key findings and their implications for your research question. Be sure to highlight any gaps or areas requiring further investigation in this section.
Cite and Reference: It is important to remember that a thematic review of literature for a PhD thesis or research paper lends greater credibility to the student or researcher. So ensure that you properly cite and reference all sources according to your chosen citation style.
Edit and Proofread: Take some time to review your work, ensure proper structure and flow and eliminate any language, grammar, or spelling errors that could deviate reader attention. This will help you deliver a well-structured and elegantly written thematic literature review.

Thematic literature review example

In essence, a thematic literature review allows researchers to dissect complex topics into smaller manageable themes, providing a more focused and structured approach to literature synthesis. This method empowers researchers to gain deeper insights, identify gaps, and generate new knowledge within the context of their research.

To illustrate the process mentioned above, let’s consider an example of a thematic literature review in the context of sustainable development. Imagine the overarching research question is: “What are the key factors influencing sustainable urban planning?” Potential themes could include environmental sustainability, social equity, economic viability, and governance. Each theme would have a dedicated section in the review, summarizing relevant literature and discussing how these factors intersect and impact sustainable urban planning. Close with a strong conclusion that highlights research gaps or areas of investigation. Finally, review and refine the thematic literature review, adding citations and references as required.

In conclusion, when tackling multifaceted research questions, a thematic literature review proves to be an indispensable tool for researchers and students alike. By adopting this approach, scholars can navigate the intricate web of existing literature, unearth meaningful patterns, and contribute to the advancement of knowledge in their respective fields. We hope the information in this article helps you create thematic reviews that illuminate your path to new discoveries and innovative insights.

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How to Write a Literature Review | Guide, Examples, & Templates

How to Write a Literature Review | Guide, Examples, & Templates

Published on January 2, 2023 by Shona McCombes . Revised on September 11, 2023.

What is a literature review? A literature review is a survey of scholarly sources on a specific topic. It provides an overview of current knowledge, allowing you to identify relevant theories, methods, and gaps in the existing research that you can later apply to your paper, thesis, or dissertation topic .

There are five key steps to writing a literature review:

Search for relevant literature
Evaluate sources
Identify themes, debates, and gaps
Outline the structure
Write your literature review

A good literature review doesn’t just summarize sources—it analyzes, synthesizes , and critically evaluates to give a clear picture of the state of knowledge on the subject.

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What is the purpose of a literature review, examples of literature reviews, step 1 – search for relevant literature, step 2 – evaluate and select sources, step 3 – identify themes, debates, and gaps, step 4 – outline your literature review’s structure, step 5 – write your literature review, free lecture slides, other interesting articles, frequently asked questions, introduction.

Quick Run-through
Step 1 & 2

When you write a thesis , dissertation , or research paper , you will likely have to conduct a literature review to situate your research within existing knowledge. The literature review gives you a chance to:

Demonstrate your familiarity with the topic and its scholarly context
Develop a theoretical framework and methodology for your research
Position your work in relation to other researchers and theorists
Show how your research addresses a gap or contributes to a debate
Evaluate the current state of research and demonstrate your knowledge of the scholarly debates around your topic.

Writing literature reviews is a particularly important skill if you want to apply for graduate school or pursue a career in research. We’ve written a step-by-step guide that you can follow below.

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Writing literature reviews can be quite challenging! A good starting point could be to look at some examples, depending on what kind of literature review you’d like to write.

Example literature review #1: “Why Do People Migrate? A Review of the Theoretical Literature” ( Theoretical literature review about the development of economic migration theory from the 1950s to today.)
Example literature review #2: “Literature review as a research methodology: An overview and guidelines” ( Methodological literature review about interdisciplinary knowledge acquisition and production.)
Example literature review #3: “The Use of Technology in English Language Learning: A Literature Review” ( Thematic literature review about the effects of technology on language acquisition.)
Example literature review #4: “Learners’ Listening Comprehension Difficulties in English Language Learning: A Literature Review” ( Chronological literature review about how the concept of listening skills has changed over time.)

You can also check out our templates with literature review examples and sample outlines at the links below.

Download Word doc Download Google doc

Before you begin searching for literature, you need a clearly defined topic .

If you are writing the literature review section of a dissertation or research paper, you will search for literature related to your research problem and questions .

Make a list of keywords

Start by creating a list of keywords related to your research question. Include each of the key concepts or variables you’re interested in, and list any synonyms and related terms. You can add to this list as you discover new keywords in the process of your literature search.

Social media, Facebook, Instagram, Twitter, Snapchat, TikTok
Body image, self-perception, self-esteem, mental health
Generation Z, teenagers, adolescents, youth

Search for relevant sources

Use your keywords to begin searching for sources. Some useful databases to search for journals and articles include:

Your university’s library catalogue
Google Scholar
Project Muse (humanities and social sciences)
Medline (life sciences and biomedicine)
EconLit (economics)
Inspec (physics, engineering and computer science)

You can also use boolean operators to help narrow down your search.

Make sure to read the abstract to find out whether an article is relevant to your question. When you find a useful book or article, you can check the bibliography to find other relevant sources.

You likely won’t be able to read absolutely everything that has been written on your topic, so it will be necessary to evaluate which sources are most relevant to your research question.

For each publication, ask yourself:

What question or problem is the author addressing?
What are the key concepts and how are they defined?
What are the key theories, models, and methods?
Does the research use established frameworks or take an innovative approach?
What are the results and conclusions of the study?
How does the publication relate to other literature in the field? Does it confirm, add to, or challenge established knowledge?
What are the strengths and weaknesses of the research?

Make sure the sources you use are credible , and make sure you read any landmark studies and major theories in your field of research.

You can use our template to summarize and evaluate sources you’re thinking about using. Click on either button below to download.

Take notes and cite your sources

As you read, you should also begin the writing process. Take notes that you can later incorporate into the text of your literature review.

It is important to keep track of your sources with citations to avoid plagiarism . It can be helpful to make an annotated bibliography , where you compile full citation information and write a paragraph of summary and analysis for each source. This helps you remember what you read and saves time later in the process.

To begin organizing your literature review’s argument and structure, be sure you understand the connections and relationships between the sources you’ve read. Based on your reading and notes, you can look for:

Trends and patterns (in theory, method or results): do certain approaches become more or less popular over time?
Themes: what questions or concepts recur across the literature?
Debates, conflicts and contradictions: where do sources disagree?
Pivotal publications: are there any influential theories or studies that changed the direction of the field?
Gaps: what is missing from the literature? Are there weaknesses that need to be addressed?

This step will help you work out the structure of your literature review and (if applicable) show how your own research will contribute to existing knowledge.

Most research has focused on young women.
There is an increasing interest in the visual aspects of social media.
But there is still a lack of robust research on highly visual platforms like Instagram and Snapchat—this is a gap that you could address in your own research.

There are various approaches to organizing the body of a literature review. Depending on the length of your literature review, you can combine several of these strategies (for example, your overall structure might be thematic, but each theme is discussed chronologically).

Chronological

The simplest approach is to trace the development of the topic over time. However, if you choose this strategy, be careful to avoid simply listing and summarizing sources in order.

Try to analyze patterns, turning points and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred.

If you have found some recurring central themes, you can organize your literature review into subsections that address different aspects of the topic.

For example, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Methodological

If you draw your sources from different disciplines or fields that use a variety of research methods , you might want to compare the results and conclusions that emerge from different approaches. For example:

Look at what results have emerged in qualitative versus quantitative research
Discuss how the topic has been approached by empirical versus theoretical scholarship
Divide the literature into sociological, historical, and cultural sources

Theoretical

A literature review is often the foundation for a theoretical framework . You can use it to discuss various theories, models, and definitions of key concepts.

You might argue for the relevance of a specific theoretical approach, or combine various theoretical concepts to create a framework for your research.

Like any other academic text , your literature review should have an introduction , a main body, and a conclusion . What you include in each depends on the objective of your literature review.

The introduction should clearly establish the focus and purpose of the literature review.

Depending on the length of your literature review, you might want to divide the body into subsections. You can use a subheading for each theme, time period, or methodological approach.

As you write, you can follow these tips:

Summarize and synthesize: give an overview of the main points of each source and combine them into a coherent whole
Analyze and interpret: don’t just paraphrase other researchers — add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
Critically evaluate: mention the strengths and weaknesses of your sources
Write in well-structured paragraphs: use transition words and topic sentences to draw connections, comparisons and contrasts

In the conclusion, you should summarize the key findings you have taken from the literature and emphasize their significance.

When you’ve finished writing and revising your literature review, don’t forget to proofread thoroughly before submitting. Not a language expert? Check out Scribbr’s professional proofreading services !

This article has been adapted into lecture slides that you can use to teach your students about writing a literature review.

Scribbr slides are free to use, customize, and distribute for educational purposes.

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If you want to know more about the research process , methodology , research bias , or statistics , make sure to check out some of our other articles with explanations and examples.

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A literature review is a survey of scholarly sources (such as books, journal articles, and theses) related to a specific topic or research question .

It is often written as part of a thesis, dissertation , or research paper , in order to situate your work in relation to existing knowledge.

There are several reasons to conduct a literature review at the beginning of a research project:

To familiarize yourself with the current state of knowledge on your topic
To ensure that you’re not just repeating what others have already done
To identify gaps in knowledge and unresolved problems that your research can address
To develop your theoretical framework and methodology
To provide an overview of the key findings and debates on the topic

Writing the literature review shows your reader how your work relates to existing research and what new insights it will contribute.

The literature review usually comes near the beginning of your thesis or dissertation . After the introduction , it grounds your research in a scholarly field and leads directly to your theoretical framework or methodology .

A literature review is a survey of credible sources on a topic, often used in dissertations , theses, and research papers . Literature reviews give an overview of knowledge on a subject, helping you identify relevant theories and methods, as well as gaps in existing research. Literature reviews are set up similarly to other academic texts , with an introduction , a main body, and a conclusion .

An annotated bibliography is a list of source references that has a short description (called an annotation ) for each of the sources. It is often assigned as part of the research process for a paper .

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Steps in Conducting a Literature Review

What is a literature review?

A literature review is an integrated analysis -- not just a summary-- of scholarly writings and other relevant evidence related directly to your research question. That is, it represents a synthesis of the evidence that provides background information on your topic and shows a association between the evidence and your research question.

A literature review may be a stand alone work or the introduction to a larger research paper, depending on the assignment. Rely heavily on the guidelines your instructor has given you.

Why is it important?

A literature review is important because it:

Explains the background of research on a topic.
Demonstrates why a topic is significant to a subject area.
Discovers relationships between research studies/ideas.
Identifies major themes, concepts, and researchers on a topic.
Identifies critical gaps and points of disagreement.
Discusses further research questions that logically come out of the previous studies.

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1. Choose a topic. Define your research question.

Your literature review should be guided by your central research question. The literature represents background and research developments related to a specific research question, interpreted and analyzed by you in a synthesized way.

Make sure your research question is not too broad or too narrow. Is it manageable?
Begin writing down terms that are related to your question. These will be useful for searches later.
If you have the opportunity, discuss your topic with your professor and your class mates.

2. Decide on the scope of your review

How many studies do you need to look at? How comprehensive should it be? How many years should it cover?

This may depend on your assignment. How many sources does the assignment require?

3. Select the databases you will use to conduct your searches.

Make a list of the databases you will search.

Where to find databases:

use the tabs on this guide
Find other databases in the Nursing Information Resources web page
More on the Medical Library web page
... and more on the Yale University Library web page

4. Conduct your searches to find the evidence. Keep track of your searches.

Use the key words in your question, as well as synonyms for those words, as terms in your search. Use the database tutorials for help.
Save the searches in the databases. This saves time when you want to redo, or modify, the searches. It is also helpful to use as a guide is the searches are not finding any useful results.
Review the abstracts of research studies carefully. This will save you time.
Use the bibliographies and references of research studies you find to locate others.
Check with your professor, or a subject expert in the field, if you are missing any key works in the field.
Ask your librarian for help at any time.
Use a citation manager, such as EndNote as the repository for your citations. See the EndNote tutorials for help.

Review the literature

Some questions to help you analyze the research:

What was the research question of the study you are reviewing? What were the authors trying to discover?
Was the research funded by a source that could influence the findings?
What were the research methodologies? Analyze its literature review, the samples and variables used, the results, and the conclusions.
Does the research seem to be complete? Could it have been conducted more soundly? What further questions does it raise?
If there are conflicting studies, why do you think that is?
How are the authors viewed in the field? Has this study been cited? If so, how has it been analyzed?

Tips:

Review the abstracts carefully.
Keep careful notes so that you may track your thought processes during the research process.
Create a matrix of the studies for easy analysis, and synthesis, across all of the studies.
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How to Find Themes in Literature Review: A Step-by-Step Guide

Magnifying glass over book highlighting themes in literature review

Finding themes in a literature review is like uncovering hidden patterns in a puzzle. By identifying these themes, you can better understand and organize the research. This guide will walk you through each step of the process, making it easier for you to find and use themes in your own work.

Key Takeaways

Themes help make sense of large amounts of information in a literature review.
Reading and taking notes on sources is the first step in finding themes.
Grouping similar information together helps to identify patterns.
Analyzing themes shows their importance to your research questions.
Using themes can create a clear and organized literature review.

Understanding the Importance of Themes in Literature Reviews

Themes play a crucial role in literature reviews, offering a structured way to organize and synthesize diverse sources. They help you focus on key aspects of your research question , making it easier to identify trends, patterns, and gaps in the literature. By understanding specific themes within a broader context, you can explore relevant literature more deeply.

Steps to Identify Themes in Literature

Reading and annotating sources.

Start by thoroughly reading and annotating your sources. Highlight key points and make notes on recurring ideas. This will help you see what stands out in the literature. You might find that some items of literature crop up in more than one theme, which is a good thing.

Categorizing Information

Next, categorize the information you have gathered. Group similar ideas together and see how they relate to your research questions. This step is crucial for organizing your thoughts and making sense of the data.

Recognizing Patterns and Trends

Finally, look for patterns and trends in the categorized information. Recognizing these can help you identify the main themes in the literature. This is where you start to see the bigger picture and how different pieces of information fit together.

Analyzing Themes for Relevance and Significance

Evaluating theme consistency.

When you evaluate theme consistency, you need to see how well each theme fits with the others. This will allow you to see how previous research influences and forms the foundation for contemporary research . Look for themes that appear often across different sources. Consistent themes are usually more important to your study.

Assessing Theme Impact on Research Questions

Check how each theme affects your research question. Some themes might be more important because they directly relate to what you are studying. Ask yourself if the theme helps answer your main question or if it adds useful information to your research proposal. This step helps you focus on the most important themes.

Prioritizing Key Themes

After you have found the main themes, you need to decide which ones are the most important. Make a list of the key themes and rank them. Think about which themes are most relevant to your research question and which ones have the most information. This will help you organize your literature review better.

Organizing Literature by Themes

When you have identified recurring central themes, you can organize your literature review into subsections that address different aspects of the topic. For instance, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Creating Thematic Subsections

Group the literature into thematic clusters based on the identified themes. Each cluster represents a different aspect of your research question. It is up to you to define the different narratives of thematic literature reviews depending on the project being undertaken; there is no one formal way of doing this. You can weigh how specific areas stack up.

Linking Themes to Research Objectives

Deciding to embark on a thematic literature review is a strategic choice that should align with your research objectives. Here are some scenarios where opting for a thematic review is advantageous:

When your research involves multiple themes.
When you need to provide a comprehensive overview of a broad topic.
When you aim to highlight different perspectives on a single issue.

Using Conceptual Frameworks

Integrating Themes into Your Literature Review

Integrating themes into your literature review is a crucial step in presenting a cohesive narrative. A thematic literature review methodically organizes and examines a body of literature by identifying, analyzing, and reporting themes found within texts . This approach helps you draw connections between different studies and see how they contribute to your own research.

Synthesizing Thematic Findings

When synthesizing thematic findings, it's important to look at how the themes interact with each other. This will help you understand the broader context of your research. You can organize your literature review into subsections that address different aspects of the topic. For example, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Drawing Connections Between Themes

Drawing connections between themes involves analyzing how the themes relate to each other and to your research questions. This can provide a comprehensive overview of the literature available on and around the research topic. You might find that some themes overlap or contradict each other, and it's important to address these issues in your review.

Presenting a Cohesive Narrative

Presenting a cohesive narrative means bringing together the key points from different readings and synthesizing them into a unified whole. This involves critically analyzing the body of literature and developing a framework or conceptual model that illustrates the relationships between the themes. This will help you present a clear and organized review that supports your research objectives.

Common Challenges in Identifying Themes

Identifying themes in literature reviews can be a complex task. One primary challenge lies in its inherent subjectivity . The process of identifying themes is highly dependent on the researcher's perspective, which can lead to biases. This subjectivity can make it difficult to ensure consistency across different studies.

Dealing with Overlapping Themes

Themes often overlap, making it hard to categorize information neatly. For instance, a theme related to policy frameworks might also touch on theoretical approaches. This overlap can complicate the synthesis of literature, as it becomes challenging to draw clear boundaries between themes.

Managing Contradictory Themes

Another challenge is managing contradictory themes. Literature often presents conflicting viewpoints, and synthesizing these into a coherent narrative can be difficult. Researchers must carefully evaluate and balance these contradictions to present a fair analysis.

Ensuring Comprehensive Coverage

Ensuring comprehensive coverage of all relevant themes is also a significant challenge. Researchers must be thorough in their review to avoid missing critical themes. This requires a meticulous approach to reading and annotating sources, as well as a keen eye for detail.

Despite these challenges, identifying themes is crucial for synthesizing literature and drawing meaningful conclusions. By being aware of these common pitfalls, researchers can better navigate the complexities of thematic analysis.

Tools and Techniques for Theme Identification

Using software for thematic analysis.

In the digital age, software tools can greatly aid in identifying themes within your literature review. Programs like NVivo and ATLAS.ti allow you to code and categorize data efficiently. These tools can save you a lot of time and help you spot patterns that might not be immediately obvious.

Manual Coding Methods

While software is useful, manual coding remains a valuable technique. By reading through your sources and making notes, you can develop a deeper understanding of the material. This hands-on approach can be particularly beneficial for recognizing subtle nuances in the text.

Collaborative Theme Identification

Working with others can also enhance your theme identification process. Collaborating with peers or mentors allows you to gain different perspectives, which can be invaluable. Research rebels® often find that discussing themes with others can lead to new insights and a more comprehensive understanding of the literature.

Discover the best tools and techniques for identifying themes in your research. Our easy-to-follow guides and worksheets will help you every step of the way. Ready to make your thesis journey smoother? Visit our website now and claim your special offer!

In conclusion, finding themes in a literature review is a crucial skill that helps to organize and make sense of complex research topics. By following a structured approach, such as defining your research question, identifying recurring themes, and integrating these themes into a cohesive framework, you can provide a comprehensive overview of the existing literature. This method not only highlights the key findings but also shows how different studies relate to each other and to your own research. Remember, the goal is to create a clear and insightful narrative that advances understanding in your field. With practice and careful analysis, anyone can master the art of thematic literature reviews.

Frequently Asked Questions

What is a theme in a literature review.

A theme in a literature review is a common topic or idea that appears across multiple sources. It helps to organize and synthesize the research findings.

Why are themes important in a literature review?

Themes help to group related ideas, making it easier to understand the big picture of the research topic. They also help to highlight patterns and trends.

How do I identify themes in my literature review?

Start by reading and annotating your sources. Look for recurring ideas or topics, and then categorize them into themes.

Can I use software to find themes in literature?

Yes, there are various software tools available that can help with thematic analysis by identifying recurring words and phrases.

What should I do if themes overlap?

If themes overlap, try to find connections between them or consider combining them into a broader theme. Ensure that each theme is distinct but related.

How do I integrate themes into my literature review?

Integrate themes by synthesizing your findings, drawing connections between themes, and presenting them in a cohesive narrative that supports your research objectives.

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How to structure and write a Thematic Literature Review

By charlesworth author services.

Charlesworth Author Services
02 July, 2022

In the previous article , you looked at how the literature review, wherever it is found, whether in the introduction or in a separate section, might be organised chronologically. Perhaps a more common way to organise the literature review is to group the literature as you see it – that is, to organise and discuss the literature by theme.

Advantages of doing a thematic literature review

Taking a thematic approach from an early point in your research allows you to see how much literature you have identified for each issue . You can then assess how much more you might need to read.
Identify which areas may suffer from a significant lack of existing literature/studies .
Highlight outstanding gaps in the current body of work.
Demonstrate the need or opportunities for extending previous research.
Taking this evaluative approach allows you more space to assert your own voice and authority , and to engage more intimately with the literature from the beginning. You’ll get to take a more active role in identifying the connections between existing studies and research on your topic.
By building connections between themes to your research project, you’ll help your reader gain a better, broader overview of the relevant literature.

Deciding on a thematic literature review

One way to do decide going thematic with your literature review is to categorise your bibliography at an early stage into groups , each of which deals with a particular issue in a similar way.

So, you might look at a topic by discipline, by epistemology, by theoretical approach or argument or by methodology.
Alternatively, you might look at the topic by issue or by level (e.g. selecting literature that focuses on individuals at a local / institutional level, rather than national or international).

Note : There are innumerable ways of viewing the literature from a thematic standpoint and there is no one correct method to write or structure a thematic literature review. It is more important to consider what approaches would be more useful to your research project and what would help you to best address your research questions / hypotheses .

Structuring and writing a thematic literature review

Here are some points to keep in mind when organising and writing your literature review thematically.

A. Beginning the review

Reviewing the literature thematically by groups offers you a flexible starting point. Where you begin can impact how you present the rest of the literature.

B. Being evaluative

The thematic approach allows you to identify the strengths and weaknesses of a theme within your specific research. This means that it may be less descriptive than taking a more chronological approach, and would likely be more evaluative or analytical .

C. Establishing your credentials

This review is an important element in establishing your academic credentials, especially at the PhD level. In journal articles , though, you need to keep it as concise as possible, and be selective in choosing the most relevant and appropriate literature to contextualise your specific research.

D. Ending the review

You will probably want to end with the literature closest to your research . The last part may need to go into greater detail if it covers the literature that is the most relevant to your own topic.

Thematic literature review: Example

Below is the first section to an article which clearly breaks up the first part of the literature review into three broad themes (structure, social construction and historical evolution), providing the most prominent names associated with each one. (Note the highlighted text.)

Over the last 20 years, a large number of studies on academic writing have been devoted to the research article, in particular, its structure, social construction and historical evolution. A number of these studies have concerned themselves with the overall organization of various parts of the research article , such as the introduction (e.g. Swales, 1981, Swales, 1990, Swales and Najjar, 1987), the results sections (Brett, 1994, Thompson, 1993), discussions (Hopkins & Dudley-Evans, 1988) and even the abstracts that accompany the research articles (Salager-Meyer, 1990, Salager-Meyer, 1992). Various lexico-grammatical features of the research article (RA) have also been explored, ranging from tense choice to citation practices. Beyond the textual structure of this genre, research has also focused on the historical development of the research article (Bazerman, 1988, Atkinson, 1993, Salager-Meyer, 1999, Vande Kopple, 1998) and the social construction of this genre (Myers, 1990).

Read previous (second) in series: How to structure and write a Chronological Literature Review

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What is a Literature Review? | Guide, Template, & Examples

What is a Literature Review? | Guide, Template, & Examples

Published on 22 February 2022 by Shona McCombes . Revised on 7 June 2022.

There are five key steps to writing a literature review:

Search for relevant literature
Evaluate sources
Identify themes, debates and gaps
Outline the structure
Write your literature review

A good literature review doesn’t just summarise sources – it analyses, synthesises, and critically evaluates to give a clear picture of the state of knowledge on the subject.

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Why write a literature review, examples of literature reviews, step 1: search for relevant literature, step 2: evaluate and select sources, step 3: identify themes, debates and gaps, step 4: outline your literature review’s structure, step 5: write your literature review, frequently asked questions about literature reviews, introduction.

Quick Run-through
Step 1 & 2

When you write a dissertation or thesis, you will have to conduct a literature review to situate your research within existing knowledge. The literature review gives you a chance to:

Demonstrate your familiarity with the topic and scholarly context
Develop a theoretical framework and methodology for your research
Position yourself in relation to other researchers and theorists
Show how your dissertation addresses a gap or contributes to a debate

You might also have to write a literature review as a stand-alone assignment. In this case, the purpose is to evaluate the current state of research and demonstrate your knowledge of scholarly debates around a topic.

The content will look slightly different in each case, but the process of conducting a literature review follows the same steps. We’ve written a step-by-step guide that you can follow below.

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Writing literature reviews can be quite challenging! A good starting point could be to look at some examples, depending on what kind of literature review you’d like to write.

Example literature review #1: “Why Do People Migrate? A Review of the Theoretical Literature” ( Theoretical literature review about the development of economic migration theory from the 1950s to today.)
Example literature review #2: “Literature review as a research methodology: An overview and guidelines” ( Methodological literature review about interdisciplinary knowledge acquisition and production.)
Example literature review #3: “The Use of Technology in English Language Learning: A Literature Review” ( Thematic literature review about the effects of technology on language acquisition.)
Example literature review #4: “Learners’ Listening Comprehension Difficulties in English Language Learning: A Literature Review” ( Chronological literature review about how the concept of listening skills has changed over time.)

You can also check out our templates with literature review examples and sample outlines at the links below.

Download Word doc Download Google doc

Before you begin searching for literature, you need a clearly defined topic .

If you are writing the literature review section of a dissertation or research paper, you will search for literature related to your research objectives and questions .

If you are writing a literature review as a stand-alone assignment, you will have to choose a focus and develop a central question to direct your search. Unlike a dissertation research question, this question has to be answerable without collecting original data. You should be able to answer it based only on a review of existing publications.

Make a list of keywords

Start by creating a list of keywords related to your research topic. Include each of the key concepts or variables you’re interested in, and list any synonyms and related terms. You can add to this list if you discover new keywords in the process of your literature search.

Social media, Facebook, Instagram, Twitter, Snapchat, TikTok
Body image, self-perception, self-esteem, mental health
Generation Z, teenagers, adolescents, youth

Search for relevant sources

Use your keywords to begin searching for sources. Some databases to search for journals and articles include:

Your university’s library catalogue
Google Scholar
Project Muse (humanities and social sciences)
Medline (life sciences and biomedicine)
EconLit (economics)
Inspec (physics, engineering and computer science)

You can use boolean operators to help narrow down your search:

Read the abstract to find out whether an article is relevant to your question. When you find a useful book or article, you can check the bibliography to find other relevant sources.

To identify the most important publications on your topic, take note of recurring citations. If the same authors, books or articles keep appearing in your reading, make sure to seek them out.

You probably won’t be able to read absolutely everything that has been written on the topic – you’ll have to evaluate which sources are most relevant to your questions.

For each publication, ask yourself:

What question or problem is the author addressing?
What are the key concepts and how are they defined?
What are the key theories, models and methods? Does the research use established frameworks or take an innovative approach?
What are the results and conclusions of the study?
How does the publication relate to other literature in the field? Does it confirm, add to, or challenge established knowledge?
How does the publication contribute to your understanding of the topic? What are its key insights and arguments?
What are the strengths and weaknesses of the research?

Make sure the sources you use are credible, and make sure you read any landmark studies and major theories in your field of research.

You can find out how many times an article has been cited on Google Scholar – a high citation count means the article has been influential in the field, and should certainly be included in your literature review.

The scope of your review will depend on your topic and discipline: in the sciences you usually only review recent literature, but in the humanities you might take a long historical perspective (for example, to trace how a concept has changed in meaning over time).

Remember that you can use our template to summarise and evaluate sources you’re thinking about using!

Take notes and cite your sources

As you read, you should also begin the writing process. Take notes that you can later incorporate into the text of your literature review.

It’s important to keep track of your sources with references to avoid plagiarism . It can be helpful to make an annotated bibliography, where you compile full reference information and write a paragraph of summary and analysis for each source. This helps you remember what you read and saves time later in the process.

You can use our free APA Reference Generator for quick, correct, consistent citations.

Prevent plagiarism, run a free check.

To begin organising your literature review’s argument and structure, you need to understand the connections and relationships between the sources you’ve read. Based on your reading and notes, you can look for:

Trends and patterns (in theory, method or results): do certain approaches become more or less popular over time?
Themes: what questions or concepts recur across the literature?
Debates, conflicts and contradictions: where do sources disagree?
Pivotal publications: are there any influential theories or studies that changed the direction of the field?
Gaps: what is missing from the literature? Are there weaknesses that need to be addressed?

This step will help you work out the structure of your literature review and (if applicable) show how your own research will contribute to existing knowledge.

Most research has focused on young women.
There is an increasing interest in the visual aspects of social media.
But there is still a lack of robust research on highly-visual platforms like Instagram and Snapchat – this is a gap that you could address in your own research.

There are various approaches to organising the body of a literature review. You should have a rough idea of your strategy before you start writing.

Depending on the length of your literature review, you can combine several of these strategies (for example, your overall structure might be thematic, but each theme is discussed chronologically).

Chronological

The simplest approach is to trace the development of the topic over time. However, if you choose this strategy, be careful to avoid simply listing and summarising sources in order.

Try to analyse patterns, turning points and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred.

If you have found some recurring central themes, you can organise your literature review into subsections that address different aspects of the topic.

Methodological

Look at what results have emerged in qualitative versus quantitative research
Discuss how the topic has been approached by empirical versus theoretical scholarship
Divide the literature into sociological, historical, and cultural sources

Theoretical

A literature review is often the foundation for a theoretical framework . You can use it to discuss various theories, models, and definitions of key concepts.

You might argue for the relevance of a specific theoretical approach, or combine various theoretical concepts to create a framework for your research.

Like any other academic text, your literature review should have an introduction , a main body, and a conclusion . What you include in each depends on the objective of your literature review.

The introduction should clearly establish the focus and purpose of the literature review.

If you are writing the literature review as part of your dissertation or thesis, reiterate your central problem or research question and give a brief summary of the scholarly context. You can emphasise the timeliness of the topic (“many recent studies have focused on the problem of x”) or highlight a gap in the literature (“while there has been much research on x, few researchers have taken y into consideration”).

Depending on the length of your literature review, you might want to divide the body into subsections. You can use a subheading for each theme, time period, or methodological approach.

As you write, make sure to follow these tips:

Summarise and synthesise: give an overview of the main points of each source and combine them into a coherent whole.
Analyse and interpret: don’t just paraphrase other researchers – add your own interpretations, discussing the significance of findings in relation to the literature as a whole.
Critically evaluate: mention the strengths and weaknesses of your sources.
Write in well-structured paragraphs: use transitions and topic sentences to draw connections, comparisons and contrasts.

In the conclusion, you should summarise the key findings you have taken from the literature and emphasise their significance.

If the literature review is part of your dissertation or thesis, reiterate how your research addresses gaps and contributes new knowledge, or discuss how you have drawn on existing theories and methods to build a framework for your research. This can lead directly into your methodology section.

A literature review is a survey of scholarly sources (such as books, journal articles, and theses) related to a specific topic or research question .

It is often written as part of a dissertation , thesis, research paper , or proposal .

There are several reasons to conduct a literature review at the beginning of a research project:

To familiarise yourself with the current state of knowledge on your topic
To ensure that you’re not just repeating what others have already done
To identify gaps in knowledge and unresolved problems that your research can address
To develop your theoretical framework and methodology
To provide an overview of the key findings and debates on the topic

Writing the literature review shows your reader how your work relates to existing research and what new insights it will contribute.

The literature review usually comes near the beginning of your dissertation . After the introduction , it grounds your research in a scholarly field and leads directly to your theoretical framework or methodology .

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The Writing Center • University of North Carolina at Chapel Hill

Literature Reviews

What this handout is about.

This handout will explain what literature reviews are and offer insights into the form and construction of literature reviews in the humanities, social sciences, and sciences.

Introduction

OK. You’ve got to write a literature review. You dust off a novel and a book of poetry, settle down in your chair, and get ready to issue a “thumbs up” or “thumbs down” as you leaf through the pages. “Literature review” done. Right?

Wrong! The “literature” of a literature review refers to any collection of materials on a topic, not necessarily the great literary texts of the world. “Literature” could be anything from a set of government pamphlets on British colonial methods in Africa to scholarly articles on the treatment of a torn ACL. And a review does not necessarily mean that your reader wants you to give your personal opinion on whether or not you liked these sources.

What is a literature review, then?

A literature review discusses published information in a particular subject area, and sometimes information in a particular subject area within a certain time period.

A literature review can be just a simple summary of the sources, but it usually has an organizational pattern and combines both summary and synthesis. A summary is a recap of the important information of the source, but a synthesis is a re-organization, or a reshuffling, of that information. It might give a new interpretation of old material or combine new with old interpretations. Or it might trace the intellectual progression of the field, including major debates. And depending on the situation, the literature review may evaluate the sources and advise the reader on the most pertinent or relevant.

But how is a literature review different from an academic research paper?

The main focus of an academic research paper is to develop a new argument, and a research paper is likely to contain a literature review as one of its parts. In a research paper, you use the literature as a foundation and as support for a new insight that you contribute. The focus of a literature review, however, is to summarize and synthesize the arguments and ideas of others without adding new contributions.

Why do we write literature reviews?

Literature reviews provide you with a handy guide to a particular topic. If you have limited time to conduct research, literature reviews can give you an overview or act as a stepping stone. For professionals, they are useful reports that keep them up to date with what is current in the field. For scholars, the depth and breadth of the literature review emphasizes the credibility of the writer in his or her field. Literature reviews also provide a solid background for a research paper’s investigation. Comprehensive knowledge of the literature of the field is essential to most research papers.

Who writes these things, anyway?

Literature reviews are written occasionally in the humanities, but mostly in the sciences and social sciences; in experiment and lab reports, they constitute a section of the paper. Sometimes a literature review is written as a paper in itself.

Let’s get to it! What should I do before writing the literature review?

If your assignment is not very specific, seek clarification from your instructor:

Roughly how many sources should you include?
What types of sources (books, journal articles, websites)?
Should you summarize, synthesize, or critique your sources by discussing a common theme or issue?
Should you evaluate your sources?
Should you provide subheadings and other background information, such as definitions and/or a history?

Find models

Look for other literature reviews in your area of interest or in the discipline and read them to get a sense of the types of themes you might want to look for in your own research or ways to organize your final review. You can simply put the word “review” in your search engine along with your other topic terms to find articles of this type on the Internet or in an electronic database. The bibliography or reference section of sources you’ve already read are also excellent entry points into your own research.

Narrow your topic

There are hundreds or even thousands of articles and books on most areas of study. The narrower your topic, the easier it will be to limit the number of sources you need to read in order to get a good survey of the material. Your instructor will probably not expect you to read everything that’s out there on the topic, but you’ll make your job easier if you first limit your scope.

Keep in mind that UNC Libraries have research guides and to databases relevant to many fields of study. You can reach out to the subject librarian for a consultation: https://library.unc.edu/support/consultations/ .

And don’t forget to tap into your professor’s (or other professors’) knowledge in the field. Ask your professor questions such as: “If you had to read only one book from the 90’s on topic X, what would it be?” Questions such as this help you to find and determine quickly the most seminal pieces in the field.

Consider whether your sources are current

Some disciplines require that you use information that is as current as possible. In the sciences, for instance, treatments for medical problems are constantly changing according to the latest studies. Information even two years old could be obsolete. However, if you are writing a review in the humanities, history, or social sciences, a survey of the history of the literature may be what is needed, because what is important is how perspectives have changed through the years or within a certain time period. Try sorting through some other current bibliographies or literature reviews in the field to get a sense of what your discipline expects. You can also use this method to consider what is currently of interest to scholars in this field and what is not.

Strategies for writing the literature review

Find a focus.

A literature review, like a term paper, is usually organized around ideas, not the sources themselves as an annotated bibliography would be organized. This means that you will not just simply list your sources and go into detail about each one of them, one at a time. No. As you read widely but selectively in your topic area, consider instead what themes or issues connect your sources together. Do they present one or different solutions? Is there an aspect of the field that is missing? How well do they present the material and do they portray it according to an appropriate theory? Do they reveal a trend in the field? A raging debate? Pick one of these themes to focus the organization of your review.

Convey it to your reader

A literature review may not have a traditional thesis statement (one that makes an argument), but you do need to tell readers what to expect. Try writing a simple statement that lets the reader know what is your main organizing principle. Here are a couple of examples:

The current trend in treatment for congestive heart failure combines surgery and medicine. More and more cultural studies scholars are accepting popular media as a subject worthy of academic consideration.

Consider organization

You’ve got a focus, and you’ve stated it clearly and directly. Now what is the most effective way of presenting the information? What are the most important topics, subtopics, etc., that your review needs to include? And in what order should you present them? Develop an organization for your review at both a global and local level:

First, cover the basic categories

Just like most academic papers, literature reviews also must contain at least three basic elements: an introduction or background information section; the body of the review containing the discussion of sources; and, finally, a conclusion and/or recommendations section to end the paper. The following provides a brief description of the content of each:

Introduction: Gives a quick idea of the topic of the literature review, such as the central theme or organizational pattern.
Body: Contains your discussion of sources and is organized either chronologically, thematically, or methodologically (see below for more information on each).
Conclusions/Recommendations: Discuss what you have drawn from reviewing literature so far. Where might the discussion proceed?

Organizing the body

Once you have the basic categories in place, then you must consider how you will present the sources themselves within the body of your paper. Create an organizational method to focus this section even further.

To help you come up with an overall organizational framework for your review, consider the following scenario:

You’ve decided to focus your literature review on materials dealing with sperm whales. This is because you’ve just finished reading Moby Dick, and you wonder if that whale’s portrayal is really real. You start with some articles about the physiology of sperm whales in biology journals written in the 1980’s. But these articles refer to some British biological studies performed on whales in the early 18th century. So you check those out. Then you look up a book written in 1968 with information on how sperm whales have been portrayed in other forms of art, such as in Alaskan poetry, in French painting, or on whale bone, as the whale hunters in the late 19th century used to do. This makes you wonder about American whaling methods during the time portrayed in Moby Dick, so you find some academic articles published in the last five years on how accurately Herman Melville portrayed the whaling scene in his novel.

Now consider some typical ways of organizing the sources into a review:

Chronological: If your review follows the chronological method, you could write about the materials above according to when they were published. For instance, first you would talk about the British biological studies of the 18th century, then about Moby Dick, published in 1851, then the book on sperm whales in other art (1968), and finally the biology articles (1980s) and the recent articles on American whaling of the 19th century. But there is relatively no continuity among subjects here. And notice that even though the sources on sperm whales in other art and on American whaling are written recently, they are about other subjects/objects that were created much earlier. Thus, the review loses its chronological focus.
By publication: Order your sources by publication chronology, then, only if the order demonstrates a more important trend. For instance, you could order a review of literature on biological studies of sperm whales if the progression revealed a change in dissection practices of the researchers who wrote and/or conducted the studies.
By trend: A better way to organize the above sources chronologically is to examine the sources under another trend, such as the history of whaling. Then your review would have subsections according to eras within this period. For instance, the review might examine whaling from pre-1600-1699, 1700-1799, and 1800-1899. Under this method, you would combine the recent studies on American whaling in the 19th century with Moby Dick itself in the 1800-1899 category, even though the authors wrote a century apart.
Thematic: Thematic reviews of literature are organized around a topic or issue, rather than the progression of time. However, progression of time may still be an important factor in a thematic review. For instance, the sperm whale review could focus on the development of the harpoon for whale hunting. While the study focuses on one topic, harpoon technology, it will still be organized chronologically. The only difference here between a “chronological” and a “thematic” approach is what is emphasized the most: the development of the harpoon or the harpoon technology.But more authentic thematic reviews tend to break away from chronological order. For instance, a thematic review of material on sperm whales might examine how they are portrayed as “evil” in cultural documents. The subsections might include how they are personified, how their proportions are exaggerated, and their behaviors misunderstood. A review organized in this manner would shift between time periods within each section according to the point made.
Methodological: A methodological approach differs from the two above in that the focusing factor usually does not have to do with the content of the material. Instead, it focuses on the “methods” of the researcher or writer. For the sperm whale project, one methodological approach would be to look at cultural differences between the portrayal of whales in American, British, and French art work. Or the review might focus on the economic impact of whaling on a community. A methodological scope will influence either the types of documents in the review or the way in which these documents are discussed. Once you’ve decided on the organizational method for the body of the review, the sections you need to include in the paper should be easy to figure out. They should arise out of your organizational strategy. In other words, a chronological review would have subsections for each vital time period. A thematic review would have subtopics based upon factors that relate to the theme or issue.

Sometimes, though, you might need to add additional sections that are necessary for your study, but do not fit in the organizational strategy of the body. What other sections you include in the body is up to you. Put in only what is necessary. Here are a few other sections you might want to consider:

Current Situation: Information necessary to understand the topic or focus of the literature review.
History: The chronological progression of the field, the literature, or an idea that is necessary to understand the literature review, if the body of the literature review is not already a chronology.
Methods and/or Standards: The criteria you used to select the sources in your literature review or the way in which you present your information. For instance, you might explain that your review includes only peer-reviewed articles and journals.

Questions for Further Research: What questions about the field has the review sparked? How will you further your research as a result of the review?

Begin composing

Once you’ve settled on a general pattern of organization, you’re ready to write each section. There are a few guidelines you should follow during the writing stage as well. Here is a sample paragraph from a literature review about sexism and language to illuminate the following discussion:

However, other studies have shown that even gender-neutral antecedents are more likely to produce masculine images than feminine ones (Gastil, 1990). Hamilton (1988) asked students to complete sentences that required them to fill in pronouns that agreed with gender-neutral antecedents such as “writer,” “pedestrian,” and “persons.” The students were asked to describe any image they had when writing the sentence. Hamilton found that people imagined 3.3 men to each woman in the masculine “generic” condition and 1.5 men per woman in the unbiased condition. Thus, while ambient sexism accounted for some of the masculine bias, sexist language amplified the effect. (Source: Erika Falk and Jordan Mills, “Why Sexist Language Affects Persuasion: The Role of Homophily, Intended Audience, and Offense,” Women and Language19:2).

Use evidence

In the example above, the writers refer to several other sources when making their point. A literature review in this sense is just like any other academic research paper. Your interpretation of the available sources must be backed up with evidence to show that what you are saying is valid.

Be selective

Select only the most important points in each source to highlight in the review. The type of information you choose to mention should relate directly to the review’s focus, whether it is thematic, methodological, or chronological.

Use quotes sparingly

Falk and Mills do not use any direct quotes. That is because the survey nature of the literature review does not allow for in-depth discussion or detailed quotes from the text. Some short quotes here and there are okay, though, if you want to emphasize a point, or if what the author said just cannot be rewritten in your own words. Notice that Falk and Mills do quote certain terms that were coined by the author, not common knowledge, or taken directly from the study. But if you find yourself wanting to put in more quotes, check with your instructor.

Summarize and synthesize

Remember to summarize and synthesize your sources within each paragraph as well as throughout the review. The authors here recapitulate important features of Hamilton’s study, but then synthesize it by rephrasing the study’s significance and relating it to their own work.

Keep your own voice

While the literature review presents others’ ideas, your voice (the writer’s) should remain front and center. Notice that Falk and Mills weave references to other sources into their own text, but they still maintain their own voice by starting and ending the paragraph with their own ideas and their own words. The sources support what Falk and Mills are saying.

Use caution when paraphrasing

When paraphrasing a source that is not your own, be sure to represent the author’s information or opinions accurately and in your own words. In the preceding example, Falk and Mills either directly refer in the text to the author of their source, such as Hamilton, or they provide ample notation in the text when the ideas they are mentioning are not their own, for example, Gastil’s. For more information, please see our handout on plagiarism .

Revise, revise, revise

Draft in hand? Now you’re ready to revise. Spending a lot of time revising is a wise idea, because your main objective is to present the material, not the argument. So check over your review again to make sure it follows the assignment and/or your outline. Then, just as you would for most other academic forms of writing, rewrite or rework the language of your review so that you’ve presented your information in the most concise manner possible. Be sure to use terminology familiar to your audience; get rid of unnecessary jargon or slang. Finally, double check that you’ve documented your sources and formatted the review appropriately for your discipline. For tips on the revising and editing process, see our handout on revising drafts .

Works consulted

We consulted these works while writing this handout. This is not a comprehensive list of resources on the handout’s topic, and we encourage you to do your own research to find additional publications. Please do not use this list as a model for the format of your own reference list, as it may not match the citation style you are using. For guidance on formatting citations, please see the UNC Libraries citation tutorial . We revise these tips periodically and welcome feedback.

Anson, Chris M., and Robert A. Schwegler. 2010. The Longman Handbook for Writers and Readers , 6th ed. New York: Longman.

Jones, Robert, Patrick Bizzaro, and Cynthia Selfe. 1997. The Harcourt Brace Guide to Writing in the Disciplines . New York: Harcourt Brace.

Lamb, Sandra E. 1998. How to Write It: A Complete Guide to Everything You’ll Ever Write . Berkeley: Ten Speed Press.

Rosen, Leonard J., and Laurence Behrens. 2003. The Allyn & Bacon Handbook , 5th ed. New York: Longman.

Troyka, Lynn Quittman, and Doug Hesse. 2016. Simon and Schuster Handbook for Writers , 11th ed. London: Pearson.

You may reproduce it for non-commercial use if you use the entire handout and attribute the source: The Writing Center, University of North Carolina at Chapel Hill

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A literature review is a document or section of a document that collects key sources on a topic and discusses those sources in conversation with each other (also called synthesis ). The lit review is an important genre in many disciplines, not just literature (i.e., the study of works of literature such as novels and plays). When we say “literature review” or refer to “the literature,” we are talking about the research ( scholarship ) in a given field. You will often see the terms “the research,” “the scholarship,” and “the literature” used mostly interchangeably.

Where, when, and why would I write a lit review?

There are a number of different situations where you might write a literature review, each with slightly different expectations; different disciplines, too, have field-specific expectations for what a literature review is and does. For instance, in the humanities, authors might include more overt argumentation and interpretation of source material in their literature reviews, whereas in the sciences, authors are more likely to report study designs and results in their literature reviews; these differences reflect these disciplines’ purposes and conventions in scholarship. You should always look at examples from your own discipline and talk to professors or mentors in your field to be sure you understand your discipline’s conventions, for literature reviews as well as for any other genre.

A literature review can be a part of a research paper or scholarly article, usually falling after the introduction and before the research methods sections. In these cases, the lit review just needs to cover scholarship that is important to the issue you are writing about; sometimes it will also cover key sources that informed your research methodology.

Lit reviews can also be standalone pieces, either as assignments in a class or as publications. In a class, a lit review may be assigned to help students familiarize themselves with a topic and with scholarship in their field, get an idea of the other researchers working on the topic they’re interested in, find gaps in existing research in order to propose new projects, and/or develop a theoretical framework and methodology for later research. As a publication, a lit review usually is meant to help make other scholars’ lives easier by collecting and summarizing, synthesizing, and analyzing existing research on a topic. This can be especially helpful for students or scholars getting into a new research area, or for directing an entire community of scholars toward questions that have not yet been answered.

What are the parts of a lit review?

Most lit reviews use a basic introduction-body-conclusion structure; if your lit review is part of a larger paper, the introduction and conclusion pieces may be just a few sentences while you focus most of your attention on the body. If your lit review is a standalone piece, the introduction and conclusion take up more space and give you a place to discuss your goals, research methods, and conclusions separately from where you discuss the literature itself.

Introduction:

An introductory paragraph that explains what your working topic and thesis is
A forecast of key topics or texts that will appear in the review
Potentially, a description of how you found sources and how you analyzed them for inclusion and discussion in the review (more often found in published, standalone literature reviews than in lit review sections in an article or research paper)
Summarize and synthesize: Give an overview of the main points of each source and combine them into a coherent whole
Analyze and interpret: Don’t just paraphrase other researchers – add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
Critically Evaluate: Mention the strengths and weaknesses of your sources
Write in well-structured paragraphs: Use transition words and topic sentence to draw connections, comparisons, and contrasts.

Conclusion:

Summarize the key findings you have taken from the literature and emphasize their significance
Connect it back to your primary research question

How should I organize my lit review?

Lit reviews can take many different organizational patterns depending on what you are trying to accomplish with the review. Here are some examples:

Chronological : The simplest approach is to trace the development of the topic over time, which helps familiarize the audience with the topic (for instance if you are introducing something that is not commonly known in your field). If you choose this strategy, be careful to avoid simply listing and summarizing sources in order. Try to analyze the patterns, turning points, and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred (as mentioned previously, this may not be appropriate in your discipline — check with a teacher or mentor if you’re unsure).
Thematic : If you have found some recurring central themes that you will continue working with throughout your piece, you can organize your literature review into subsections that address different aspects of the topic. For example, if you are reviewing literature about women and religion, key themes can include the role of women in churches and the religious attitude towards women.
Qualitative versus quantitative research
Empirical versus theoretical scholarship
Divide the research by sociological, historical, or cultural sources
Theoretical : In many humanities articles, the literature review is the foundation for the theoretical framework. You can use it to discuss various theories, models, and definitions of key concepts. You can argue for the relevance of a specific theoretical approach or combine various theorical concepts to create a framework for your research.

What are some strategies or tips I can use while writing my lit review?

Any lit review is only as good as the research it discusses; make sure your sources are well-chosen and your research is thorough. Don’t be afraid to do more research if you discover a new thread as you’re writing. More info on the research process is available in our "Conducting Research" resources .

As you’re doing your research, create an annotated bibliography ( see our page on the this type of document ). Much of the information used in an annotated bibliography can be used also in a literature review, so you’ll be not only partially drafting your lit review as you research, but also developing your sense of the larger conversation going on among scholars, professionals, and any other stakeholders in your topic.

Usually you will need to synthesize research rather than just summarizing it. This means drawing connections between sources to create a picture of the scholarly conversation on a topic over time. Many student writers struggle to synthesize because they feel they don’t have anything to add to the scholars they are citing; here are some strategies to help you:

It often helps to remember that the point of these kinds of syntheses is to show your readers how you understand your research, to help them read the rest of your paper.
Writing teachers often say synthesis is like hosting a dinner party: imagine all your sources are together in a room, discussing your topic. What are they saying to each other?
Look at the in-text citations in each paragraph. Are you citing just one source for each paragraph? This usually indicates summary only. When you have multiple sources cited in a paragraph, you are more likely to be synthesizing them (not always, but often
Read more about synthesis here.

The most interesting literature reviews are often written as arguments (again, as mentioned at the beginning of the page, this is discipline-specific and doesn’t work for all situations). Often, the literature review is where you can establish your research as filling a particular gap or as relevant in a particular way. You have some chance to do this in your introduction in an article, but the literature review section gives a more extended opportunity to establish the conversation in the way you would like your readers to see it. You can choose the intellectual lineage you would like to be part of and whose definitions matter most to your thinking (mostly humanities-specific, but this goes for sciences as well). In addressing these points, you argue for your place in the conversation, which tends to make the lit review more compelling than a simple reporting of other sources.

Organizing and Creating Information

Citation and Attribution

What Is a Literature Review?

Review the literature, write the literature review, further reading, learning objectives, attribution.

This guide is designed to:

Identify the sections and purpose of a literature review in academic writing
Review practical strategies and organizational methods for preparing a literature review

A literature review is a summary and synthesis of scholarly research on a specific topic. It should answer questions such as:

What research has been done on the topic?
Who are the key researchers and experts in the field?
What are the common theories and methodologies?
Are there challenges, controversies, and contradictions?
Are there gaps in the research that your approach addresses?

The process of reviewing existing research allows you to fine-tune your research question and contextualize your own work. Preparing a literature review is a cyclical process. You may find that the research question you begin with evolves as you learn more about the topic.

Once you have defined your research question , focus on learning what other scholars have written on the topic.

In order to do a thorough search of the literature on the topic, define the basic criteria:

Databases and journals: Look at the subject guide related to your topic for recommended databases. Review the tutorial on finding articles for tips.
Books: Search BruKnow, the Library's catalog. Steps to searching ebooks are covered in the Finding Ebooks tutorial .
What time period should it cover? Is currency important?
Do I know of primary and secondary sources that I can use as a way to find other information?
What should I be aware of when looking at popular, trade, and scholarly resources ?

One strategy is to review bibliographies for sources that relate to your interest. For more on this technique, look at the tutorial on finding articles when you have a citation .

Tip: Use a Synthesis Matrix

As you read sources, themes will emerge that will help you to organize the review. You can use a simple Synthesis Matrix to track your notes as you read. From this work, a concept map emerges that provides an overview of the literature and ways in which it connects. Working with Zotero to capture the citations, you build the structure for writing your literature review.

Citation	Concept/Theme	Main Idea	Notes 1	Notes 2	Gaps in the Research	Quotation	Page

How do I know when I am done?

A key indicator for knowing when you are done is running into the same articles and materials. With no new information being uncovered, you are likely exhausting your current search and should modify search terms or search different catalogs or databases. It is also possible that you have reached a point when you can start writing the literature review.

Tip: Manage Your Citations

These citation management tools also create citations, footnotes, and bibliographies with just a few clicks:

Zotero Tutorial

Endnote Tutorial

Your literature review should be focused on the topic defined in your research question. It should be written in a logical, structured way and maintain an objective perspective and use a formal voice.

Review the Summary Table you created for themes and connecting ideas. Use the following guidelines to prepare an outline of the main points you want to make.

Synthesize previous research on the topic.
Aim to include both summary and synthesis.
Include literature that supports your research question as well as that which offers a different perspective.
Avoid relying on one author or publication too heavily.
Select an organizational structure, such as chronological, methodological, and thematic.

The three elements of a literature review are introduction, body, and conclusion.

Introduction

Define the topic of the literature review, including any terminology.
Introduce the central theme and organization of the literature review.
Summarize the state of research on the topic.
Frame the literature review with your research question.
Focus on ways to have the body of literature tell its own story. Do not add your own interpretations at this point.
Look for patterns and find ways to tie the pieces together.
Summarize instead of quote.
Weave the points together rather than list summaries of each source.
Include the most important sources, not everything you have read.
Summarize the review of the literature.
Identify areas of further research on the topic.
Connect the review with your research.
DeCarlo, M. (2018). 4.1 What is a literature review? In Scientific Inquiry in Social Work. Open Social Work Education. https://scientificinquiryinsocialwork.pressbooks.com/chapter/4-1-what-is-a-literature-review/
Literature Reviews (n.d.) https://writingcenter.unc.edu/tips-and-tools/literature-reviews/ Accessed Nov. 10, 2021

This guide was designed to:

Identify the sections and purpose of a literature review in academic writing
Review practical strategies and organizational methods for preparing a literature review

Content on this page adapted from:

Frederiksen, L. and Phelps, S. (2017). Literature Reviews for Education and Nursing Graduate Students. Licensed CC BY 4.0

<< Previous: EndNote
Last Updated: Jul 17, 2024 3:55 PM
URL: https://libguides.brown.edu/organize

Library Intranet

What is a Literature Review? How to Write It (with Examples)

A literature review is a critical analysis and synthesis of existing research on a particular topic. It provides an overview of the current state of knowledge, identifies gaps, and highlights key findings in the literature. 1 The purpose of a literature review is to situate your own research within the context of existing scholarship, demonstrating your understanding of the topic and showing how your work contributes to the ongoing conversation in the field. Learning how to write a literature review is a critical tool for successful research. Your ability to summarize and synthesize prior research pertaining to a certain topic demonstrates your grasp on the topic of study, and assists in the learning process.

What is the purpose of literature review , a. habitat loss and species extinction: , b. range shifts and phenological changes: , c. ocean acidification and coral reefs: , d. adaptive strategies and conservation efforts: .

Choose a Topic and Define the Research Question:
Decide on the Scope of Your Review:
Select Databases for Searches:
Conduct Searches and Keep Track:
Review the Literature:
Organize and Write Your Literature Review:
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Frequently asked questions

What is a literature review .

A well-conducted literature review demonstrates the researcher’s familiarity with the existing literature, establishes the context for their own research, and contributes to scholarly conversations on the topic. One of the purposes of a literature review is also to help researchers avoid duplicating previous work and ensure that their research is informed by and builds upon the existing body of knowledge.

A literature review serves several important purposes within academic and research contexts. Here are some key objectives and functions of a literature review: 2

1. Contextualizing the Research Problem: The literature review provides a background and context for the research problem under investigation. It helps to situate the study within the existing body of knowledge.

2. Identifying Gaps in Knowledge: By identifying gaps, contradictions, or areas requiring further research, the researcher can shape the research question and justify the significance of the study. This is crucial for ensuring that the new research contributes something novel to the field.

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3. Understanding Theoretical and Conceptual Frameworks: Literature reviews help researchers gain an understanding of the theoretical and conceptual frameworks used in previous studies. This aids in the development of a theoretical framework for the current research.

4. Providing Methodological Insights: Another purpose of literature reviews is that it allows researchers to learn about the methodologies employed in previous studies. This can help in choosing appropriate research methods for the current study and avoiding pitfalls that others may have encountered.

5. Establishing Credibility: A well-conducted literature review demonstrates the researcher’s familiarity with existing scholarship, establishing their credibility and expertise in the field. It also helps in building a solid foundation for the new research.

6. Informing Hypotheses or Research Questions: The literature review guides the formulation of hypotheses or research questions by highlighting relevant findings and areas of uncertainty in existing literature.

Literature review example

Let’s delve deeper with a literature review example: Let’s say your literature review is about the impact of climate change on biodiversity. You might format your literature review into sections such as the effects of climate change on habitat loss and species extinction, phenological changes, and marine biodiversity. Each section would then summarize and analyze relevant studies in those areas, highlighting key findings and identifying gaps in the research. The review would conclude by emphasizing the need for further research on specific aspects of the relationship between climate change and biodiversity. The following literature review template provides a glimpse into the recommended literature review structure and content, demonstrating how research findings are organized around specific themes within a broader topic.

Literature Review on Climate Change Impacts on Biodiversity:

Climate change is a global phenomenon with far-reaching consequences, including significant impacts on biodiversity. This literature review synthesizes key findings from various studies:

Climate change-induced alterations in temperature and precipitation patterns contribute to habitat loss, affecting numerous species (Thomas et al., 2004). The review discusses how these changes increase the risk of extinction, particularly for species with specific habitat requirements.

Observations of range shifts and changes in the timing of biological events (phenology) are documented in response to changing climatic conditions (Parmesan & Yohe, 2003). These shifts affect ecosystems and may lead to mismatches between species and their resources.

The review explores the impact of climate change on marine biodiversity, emphasizing ocean acidification’s threat to coral reefs (Hoegh-Guldberg et al., 2007). Changes in pH levels negatively affect coral calcification, disrupting the delicate balance of marine ecosystems.

Recognizing the urgency of the situation, the literature review discusses various adaptive strategies adopted by species and conservation efforts aimed at mitigating the impacts of climate change on biodiversity (Hannah et al., 2007). It emphasizes the importance of interdisciplinary approaches for effective conservation planning.

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How to write a good literature review

Writing a literature review involves summarizing and synthesizing existing research on a particular topic. A good literature review format should include the following elements.

Introduction: The introduction sets the stage for your literature review, providing context and introducing the main focus of your review.

Opening Statement: Begin with a general statement about the broader topic and its significance in the field.
Scope and Purpose: Clearly define the scope of your literature review. Explain the specific research question or objective you aim to address.
Organizational Framework: Briefly outline the structure of your literature review, indicating how you will categorize and discuss the existing research.
Significance of the Study: Highlight why your literature review is important and how it contributes to the understanding of the chosen topic.
Thesis Statement: Conclude the introduction with a concise thesis statement that outlines the main argument or perspective you will develop in the body of the literature review.

Body: The body of the literature review is where you provide a comprehensive analysis of existing literature, grouping studies based on themes, methodologies, or other relevant criteria.

Organize by Theme or Concept: Group studies that share common themes, concepts, or methodologies. Discuss each theme or concept in detail, summarizing key findings and identifying gaps or areas of disagreement.
Critical Analysis: Evaluate the strengths and weaknesses of each study. Discuss the methodologies used, the quality of evidence, and the overall contribution of each work to the understanding of the topic.
Synthesis of Findings: Synthesize the information from different studies to highlight trends, patterns, or areas of consensus in the literature.
Identification of Gaps: Discuss any gaps or limitations in the existing research and explain how your review contributes to filling these gaps.
Transition between Sections: Provide smooth transitions between different themes or concepts to maintain the flow of your literature review.

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Conclusion: The conclusion of your literature review should summarize the main findings, highlight the contributions of the review, and suggest avenues for future research.

Summary of Key Findings: Recap the main findings from the literature and restate how they contribute to your research question or objective.
Contributions to the Field: Discuss the overall contribution of your literature review to the existing knowledge in the field.
Implications and Applications: Explore the practical implications of the findings and suggest how they might impact future research or practice.
Recommendations for Future Research: Identify areas that require further investigation and propose potential directions for future research in the field.
Final Thoughts: Conclude with a final reflection on the importance of your literature review and its relevance to the broader academic community.

Conducting a literature review

Conducting a literature review is an essential step in research that involves reviewing and analyzing existing literature on a specific topic. It’s important to know how to do a literature review effectively, so here are the steps to follow: 1

Choose a Topic and Define the Research Question:

Select a topic that is relevant to your field of study.
Clearly define your research question or objective. Determine what specific aspect of the topic do you want to explore?

Decide on the Scope of Your Review:

Determine the timeframe for your literature review. Are you focusing on recent developments, or do you want a historical overview?
Consider the geographical scope. Is your review global, or are you focusing on a specific region?
Define the inclusion and exclusion criteria. What types of sources will you include? Are there specific types of studies or publications you will exclude?

Select Databases for Searches:

Identify relevant databases for your field. Examples include PubMed, IEEE Xplore, Scopus, Web of Science, and Google Scholar.
Consider searching in library catalogs, institutional repositories, and specialized databases related to your topic.

Conduct Searches and Keep Track:

Develop a systematic search strategy using keywords, Boolean operators (AND, OR, NOT), and other search techniques.
Record and document your search strategy for transparency and replicability.
Keep track of the articles, including publication details, abstracts, and links. Use citation management tools like EndNote, Zotero, or Mendeley to organize your references.

Review the Literature:

Evaluate the relevance and quality of each source. Consider the methodology, sample size, and results of studies.
Organize the literature by themes or key concepts. Identify patterns, trends, and gaps in the existing research.
Summarize key findings and arguments from each source. Compare and contrast different perspectives.
Identify areas where there is a consensus in the literature and where there are conflicting opinions.
Provide critical analysis and synthesis of the literature. What are the strengths and weaknesses of existing research?

Organize and Write Your Literature Review:

Literature review outline should be based on themes, chronological order, or methodological approaches.
Write a clear and coherent narrative that synthesizes the information gathered.
Use proper citations for each source and ensure consistency in your citation style (APA, MLA, Chicago, etc.).
Conclude your literature review by summarizing key findings, identifying gaps, and suggesting areas for future research.

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A literature review is a critical and comprehensive analysis of existing literature (published and unpublished works) on a specific topic or research question and provides a synthesis of the current state of knowledge in a particular field. A well-conducted literature review is crucial for researchers to build upon existing knowledge, avoid duplication of efforts, and contribute to the advancement of their field. It also helps researchers situate their work within a broader context and facilitates the development of a sound theoretical and conceptual framework for their studies.

Literature review is a crucial component of research writing, providing a solid background for a research paper’s investigation. The aim is to keep professionals up to date by providing an understanding of ongoing developments within a specific field, including research methods, and experimental techniques used in that field, and present that knowledge in the form of a written report. Also, the depth and breadth of the literature review emphasizes the credibility of the scholar in his or her field.

Before writing a literature review, it’s essential to undertake several preparatory steps to ensure that your review is well-researched, organized, and focused. This includes choosing a topic of general interest to you and doing exploratory research on that topic, writing an annotated bibliography, and noting major points, especially those that relate to the position you have taken on the topic.

Literature reviews and academic research papers are essential components of scholarly work but serve different purposes within the academic realm. 3 A literature review aims to provide a foundation for understanding the current state of research on a particular topic, identify gaps or controversies, and lay the groundwork for future research. Therefore, it draws heavily from existing academic sources, including books, journal articles, and other scholarly publications. In contrast, an academic research paper aims to present new knowledge, contribute to the academic discourse, and advance the understanding of a specific research question. Therefore, it involves a mix of existing literature (in the introduction and literature review sections) and original data or findings obtained through research methods.

Literature reviews are essential components of academic and research papers, and various strategies can be employed to conduct them effectively. If you want to know how to write a literature review for a research paper, here are four common approaches that are often used by researchers. Chronological Review: This strategy involves organizing the literature based on the chronological order of publication. It helps to trace the development of a topic over time, showing how ideas, theories, and research have evolved. Thematic Review: Thematic reviews focus on identifying and analyzing themes or topics that cut across different studies. Instead of organizing the literature chronologically, it is grouped by key themes or concepts, allowing for a comprehensive exploration of various aspects of the topic. Methodological Review: This strategy involves organizing the literature based on the research methods employed in different studies. It helps to highlight the strengths and weaknesses of various methodologies and allows the reader to evaluate the reliability and validity of the research findings. Theoretical Review: A theoretical review examines the literature based on the theoretical frameworks used in different studies. This approach helps to identify the key theories that have been applied to the topic and assess their contributions to the understanding of the subject. It’s important to note that these strategies are not mutually exclusive, and a literature review may combine elements of more than one approach. The choice of strategy depends on the research question, the nature of the literature available, and the goals of the review. Additionally, other strategies, such as integrative reviews or systematic reviews, may be employed depending on the specific requirements of the research.

The literature review format can vary depending on the specific publication guidelines. However, there are some common elements and structures that are often followed. Here is a general guideline for the format of a literature review: Introduction: Provide an overview of the topic. Define the scope and purpose of the literature review. State the research question or objective. Body: Organize the literature by themes, concepts, or chronology. Critically analyze and evaluate each source. Discuss the strengths and weaknesses of the studies. Highlight any methodological limitations or biases. Identify patterns, connections, or contradictions in the existing research. Conclusion: Summarize the key points discussed in the literature review. Highlight the research gap. Address the research question or objective stated in the introduction. Highlight the contributions of the review and suggest directions for future research.

Both annotated bibliographies and literature reviews involve the examination of scholarly sources. While annotated bibliographies focus on individual sources with brief annotations, literature reviews provide a more in-depth, integrated, and comprehensive analysis of existing literature on a specific topic. The key differences are as follows:

	Annotated Bibliography	Literature Review
Purpose	List of citations of books, articles, and other sources with a brief description (annotation) of each source.	Comprehensive and critical analysis of existing literature on a specific topic.
Focus	Summary and evaluation of each source, including its relevance, methodology, and key findings.	Provides an overview of the current state of knowledge on a particular subject and identifies gaps, trends, and patterns in existing literature.
Structure	Each citation is followed by a concise paragraph (annotation) that describes the source’s content, methodology, and its contribution to the topic.	The literature review is organized thematically or chronologically and involves a synthesis of the findings from different sources to build a narrative or argument.
Length	Typically 100-200 words	Length of literature review ranges from a few pages to several chapters
Independence	Each source is treated separately, with less emphasis on synthesizing the information across sources.	The writer synthesizes information from multiple sources to present a cohesive overview of the topic.

References

Denney, A. S., & Tewksbury, R. (2013). How to write a literature review.  Journal of criminal justice education ,  24 (2), 218-234.
Pan, M. L. (2016).  Preparing literature reviews: Qualitative and quantitative approaches . Taylor & Francis.
Cantero, C. (2019). How to write a literature review.  San José State University Writing Center .

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6 Tips for Post-Doc Researchers to Take Their Career to the Next Level

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Bibliography

A literature review surveys prior research published in books, scholarly articles, and any other sources relevant to a particular issue, area of research, or theory, and by so doing, provides a description, summary, and critical evaluation of these works in relation to the research problem being investigated. Literature reviews are designed to provide an overview of sources you have used in researching a particular topic and to demonstrate to your readers how your research fits within existing scholarship about the topic.

Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper . Fourth edition. Thousand Oaks, CA: SAGE, 2014.

Importance of a Good Literature Review

A literature review may consist of simply a summary of key sources, but in the social sciences, a literature review usually has an organizational pattern and combines both summary and synthesis, often within specific conceptual categories . A summary is a recap of the important information of the source, but a synthesis is a re-organization, or a reshuffling, of that information in a way that informs how you are planning to investigate a research problem. The analytical features of a literature review might:

Give a new interpretation of old material or combine new with old interpretations,
Trace the intellectual progression of the field, including major debates,
Depending on the situation, evaluate the sources and advise the reader on the most pertinent or relevant research, or
Usually in the conclusion of a literature review, identify where gaps exist in how a problem has been researched to date.

Given this, the purpose of a literature review is to:

Place each work in the context of its contribution to understanding the research problem being studied.
Describe the relationship of each work to the others under consideration.
Identify new ways to interpret prior research.
Reveal any gaps that exist in the literature.
Resolve conflicts amongst seemingly contradictory previous studies.
Identify areas of prior scholarship to prevent duplication of effort.
Point the way in fulfilling a need for additional research.
Locate your own research within the context of existing literature [very important].

Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper. 2nd ed. Thousand Oaks, CA: Sage, 2005; Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1998; Jesson, Jill. Doing Your Literature Review: Traditional and Systematic Techniques . Los Angeles, CA: SAGE, 2011; Knopf, Jeffrey W. "Doing a Literature Review." PS: Political Science and Politics 39 (January 2006): 127-132; Ridley, Diana. The Literature Review: A Step-by-Step Guide for Students . 2nd ed. Los Angeles, CA: SAGE, 2012.

Types of Literature Reviews

It is important to think of knowledge in a given field as consisting of three layers. First, there are the primary studies that researchers conduct and publish. Second are the reviews of those studies that summarize and offer new interpretations built from and often extending beyond the primary studies. Third, there are the perceptions, conclusions, opinion, and interpretations that are shared informally among scholars that become part of the body of epistemological traditions within the field.

In composing a literature review, it is important to note that it is often this third layer of knowledge that is cited as "true" even though it often has only a loose relationship to the primary studies and secondary literature reviews. Given this, while literature reviews are designed to provide an overview and synthesis of pertinent sources you have explored, there are a number of approaches you could adopt depending upon the type of analysis underpinning your study.

Argumentative Review This form examines literature selectively in order to support or refute an argument, deeply embedded assumption, or philosophical problem already established in the literature. The purpose is to develop a body of literature that establishes a contrarian viewpoint. Given the value-laden nature of some social science research [e.g., educational reform; immigration control], argumentative approaches to analyzing the literature can be a legitimate and important form of discourse. However, note that they can also introduce problems of bias when they are used to make summary claims of the sort found in systematic reviews [see below].

Integrative Review Considered a form of research that reviews, critiques, and synthesizes representative literature on a topic in an integrated way such that new frameworks and perspectives on the topic are generated. The body of literature includes all studies that address related or identical hypotheses or research problems. A well-done integrative review meets the same standards as primary research in regard to clarity, rigor, and replication. This is the most common form of review in the social sciences.

Historical Review Few things rest in isolation from historical precedent. Historical literature reviews focus on examining research throughout a period of time, often starting with the first time an issue, concept, theory, phenomena emerged in the literature, then tracing its evolution within the scholarship of a discipline. The purpose is to place research in a historical context to show familiarity with state-of-the-art developments and to identify the likely directions for future research.

Methodological Review A review does not always focus on what someone said [findings], but how they came about saying what they say [method of analysis]. Reviewing methods of analysis provides a framework of understanding at different levels [i.e. those of theory, substantive fields, research approaches, and data collection and analysis techniques], how researchers draw upon a wide variety of knowledge ranging from the conceptual level to practical documents for use in fieldwork in the areas of ontological and epistemological consideration, quantitative and qualitative integration, sampling, interviewing, data collection, and data analysis. This approach helps highlight ethical issues which you should be aware of and consider as you go through your own study.

Systematic Review This form consists of an overview of existing evidence pertinent to a clearly formulated research question, which uses pre-specified and standardized methods to identify and critically appraise relevant research, and to collect, report, and analyze data from the studies that are included in the review. The goal is to deliberately document, critically evaluate, and summarize scientifically all of the research about a clearly defined research problem . Typically it focuses on a very specific empirical question, often posed in a cause-and-effect form, such as "To what extent does A contribute to B?" This type of literature review is primarily applied to examining prior research studies in clinical medicine and allied health fields, but it is increasingly being used in the social sciences.

Theoretical Review The purpose of this form is to examine the corpus of theory that has accumulated in regard to an issue, concept, theory, phenomena. The theoretical literature review helps to establish what theories already exist, the relationships between them, to what degree the existing theories have been investigated, and to develop new hypotheses to be tested. Often this form is used to help establish a lack of appropriate theories or reveal that current theories are inadequate for explaining new or emerging research problems. The unit of analysis can focus on a theoretical concept or a whole theory or framework.

NOTE: Most often the literature review will incorporate some combination of types. For example, a review that examines literature supporting or refuting an argument, assumption, or philosophical problem related to the research problem will also need to include writing supported by sources that establish the history of these arguments in the literature.

Baumeister, Roy F. and Mark R. Leary. "Writing Narrative Literature Reviews." Review of General Psychology 1 (September 1997): 311-320; Mark R. Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper . 2nd ed. Thousand Oaks, CA: Sage, 2005; Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1998; Kennedy, Mary M. "Defining a Literature." Educational Researcher 36 (April 2007): 139-147; Petticrew, Mark and Helen Roberts. Systematic Reviews in the Social Sciences: A Practical Guide . Malden, MA: Blackwell Publishers, 2006; Torracro, Richard. "Writing Integrative Literature Reviews: Guidelines and Examples." Human Resource Development Review 4 (September 2005): 356-367; Rocco, Tonette S. and Maria S. Plakhotnik. "Literature Reviews, Conceptual Frameworks, and Theoretical Frameworks: Terms, Functions, and Distinctions." Human Ressource Development Review 8 (March 2008): 120-130; Sutton, Anthea. Systematic Approaches to a Successful Literature Review . Los Angeles, CA: Sage Publications, 2016.

Structure and Writing Style

I. Thinking About Your Literature Review

The structure of a literature review should include the following in support of understanding the research problem :

An overview of the subject, issue, or theory under consideration, along with the objectives of the literature review,
Division of works under review into themes or categories [e.g. works that support a particular position, those against, and those offering alternative approaches entirely],
An explanation of how each work is similar to and how it varies from the others,
Conclusions as to which pieces are best considered in their argument, are most convincing of their opinions, and make the greatest contribution to the understanding and development of their area of research.

The critical evaluation of each work should consider :

Provenance -- what are the author's credentials? Are the author's arguments supported by evidence [e.g. primary historical material, case studies, narratives, statistics, recent scientific findings]?
Methodology -- were the techniques used to identify, gather, and analyze the data appropriate to addressing the research problem? Was the sample size appropriate? Were the results effectively interpreted and reported?
Objectivity -- is the author's perspective even-handed or prejudicial? Is contrary data considered or is certain pertinent information ignored to prove the author's point?
Persuasiveness -- which of the author's theses are most convincing or least convincing?
Validity -- are the author's arguments and conclusions convincing? Does the work ultimately contribute in any significant way to an understanding of the subject?

II. Development of the Literature Review

Four Basic Stages of Writing 1. Problem formulation -- which topic or field is being examined and what are its component issues? 2. Literature search -- finding materials relevant to the subject being explored. 3. Data evaluation -- determining which literature makes a significant contribution to the understanding of the topic. 4. Analysis and interpretation -- discussing the findings and conclusions of pertinent literature.

Consider the following issues before writing the literature review: Clarify If your assignment is not specific about what form your literature review should take, seek clarification from your professor by asking these questions: 1. Roughly how many sources would be appropriate to include? 2. What types of sources should I review (books, journal articles, websites; scholarly versus popular sources)? 3. Should I summarize, synthesize, or critique sources by discussing a common theme or issue? 4. Should I evaluate the sources in any way beyond evaluating how they relate to understanding the research problem? 5. Should I provide subheadings and other background information, such as definitions and/or a history? Find Models Use the exercise of reviewing the literature to examine how authors in your discipline or area of interest have composed their literature review sections. Read them to get a sense of the types of themes you might want to look for in your own research or to identify ways to organize your final review. The bibliography or reference section of sources you've already read, such as required readings in the course syllabus, are also excellent entry points into your own research. Narrow the Topic The narrower your topic, the easier it will be to limit the number of sources you need to read in order to obtain a good survey of relevant resources. Your professor will probably not expect you to read everything that's available about the topic, but you'll make the act of reviewing easier if you first limit scope of the research problem. A good strategy is to begin by searching the USC Libraries Catalog for recent books about the topic and review the table of contents for chapters that focuses on specific issues. You can also review the indexes of books to find references to specific issues that can serve as the focus of your research. For example, a book surveying the history of the Israeli-Palestinian conflict may include a chapter on the role Egypt has played in mediating the conflict, or look in the index for the pages where Egypt is mentioned in the text. Consider Whether Your Sources are Current Some disciplines require that you use information that is as current as possible. This is particularly true in disciplines in medicine and the sciences where research conducted becomes obsolete very quickly as new discoveries are made. However, when writing a review in the social sciences, a survey of the history of the literature may be required. In other words, a complete understanding the research problem requires you to deliberately examine how knowledge and perspectives have changed over time. Sort through other current bibliographies or literature reviews in the field to get a sense of what your discipline expects. You can also use this method to explore what is considered by scholars to be a "hot topic" and what is not.

III. Ways to Organize Your Literature Review

Chronology of Events If your review follows the chronological method, you could write about the materials according to when they were published. This approach should only be followed if a clear path of research building on previous research can be identified and that these trends follow a clear chronological order of development. For example, a literature review that focuses on continuing research about the emergence of German economic power after the fall of the Soviet Union. By Publication Order your sources by publication chronology, then, only if the order demonstrates a more important trend. For instance, you could order a review of literature on environmental studies of brown fields if the progression revealed, for example, a change in the soil collection practices of the researchers who wrote and/or conducted the studies. Thematic [“conceptual categories”] A thematic literature review is the most common approach to summarizing prior research in the social and behavioral sciences. Thematic reviews are organized around a topic or issue, rather than the progression of time, although the progression of time may still be incorporated into a thematic review. For example, a review of the Internet’s impact on American presidential politics could focus on the development of online political satire. While the study focuses on one topic, the Internet’s impact on American presidential politics, it would still be organized chronologically reflecting technological developments in media. The difference in this example between a "chronological" and a "thematic" approach is what is emphasized the most: themes related to the role of the Internet in presidential politics. Note that more authentic thematic reviews tend to break away from chronological order. A review organized in this manner would shift between time periods within each section according to the point being made. Methodological A methodological approach focuses on the methods utilized by the researcher. For the Internet in American presidential politics project, one methodological approach would be to look at cultural differences between the portrayal of American presidents on American, British, and French websites. Or the review might focus on the fundraising impact of the Internet on a particular political party. A methodological scope will influence either the types of documents in the review or the way in which these documents are discussed.

Other Sections of Your Literature Review Once you've decided on the organizational method for your literature review, the sections you need to include in the paper should be easy to figure out because they arise from your organizational strategy. In other words, a chronological review would have subsections for each vital time period; a thematic review would have subtopics based upon factors that relate to the theme or issue. However, sometimes you may need to add additional sections that are necessary for your study, but do not fit in the organizational strategy of the body. What other sections you include in the body is up to you. However, only include what is necessary for the reader to locate your study within the larger scholarship about the research problem.

Here are examples of other sections, usually in the form of a single paragraph, you may need to include depending on the type of review you write:

Current Situation : Information necessary to understand the current topic or focus of the literature review.
Sources Used : Describes the methods and resources [e.g., databases] you used to identify the literature you reviewed.
History : The chronological progression of the field, the research literature, or an idea that is necessary to understand the literature review, if the body of the literature review is not already a chronology.
Selection Methods : Criteria you used to select (and perhaps exclude) sources in your literature review. For instance, you might explain that your review includes only peer-reviewed [i.e., scholarly] sources.
Standards : Description of the way in which you present your information.
Questions for Further Research : What questions about the field has the review sparked? How will you further your research as a result of the review?

IV. Writing Your Literature Review

Once you've settled on how to organize your literature review, you're ready to write each section. When writing your review, keep in mind these issues.

Use Evidence A literature review section is, in this sense, just like any other academic research paper. Your interpretation of the available sources must be backed up with evidence [citations] that demonstrates that what you are saying is valid. Be Selective Select only the most important points in each source to highlight in the review. The type of information you choose to mention should relate directly to the research problem, whether it is thematic, methodological, or chronological. Related items that provide additional information, but that are not key to understanding the research problem, can be included in a list of further readings . Use Quotes Sparingly Some short quotes are appropriate if you want to emphasize a point, or if what an author stated cannot be easily paraphrased. Sometimes you may need to quote certain terminology that was coined by the author, is not common knowledge, or taken directly from the study. Do not use extensive quotes as a substitute for using your own words in reviewing the literature. Summarize and Synthesize Remember to summarize and synthesize your sources within each thematic paragraph as well as throughout the review. Recapitulate important features of a research study, but then synthesize it by rephrasing the study's significance and relating it to your own work and the work of others. Keep Your Own Voice While the literature review presents others' ideas, your voice [the writer's] should remain front and center. For example, weave references to other sources into what you are writing but maintain your own voice by starting and ending the paragraph with your own ideas and wording. Use Caution When Paraphrasing When paraphrasing a source that is not your own, be sure to represent the author's information or opinions accurately and in your own words. Even when paraphrasing an author’s work, you still must provide a citation to that work.

V. Common Mistakes to Avoid

These are the most common mistakes made in reviewing social science research literature.

Sources in your literature review do not clearly relate to the research problem;
You do not take sufficient time to define and identify the most relevant sources to use in the literature review related to the research problem;
Relies exclusively on secondary analytical sources rather than including relevant primary research studies or data;
Uncritically accepts another researcher's findings and interpretations as valid, rather than examining critically all aspects of the research design and analysis;
Does not describe the search procedures that were used in identifying the literature to review;
Reports isolated statistical results rather than synthesizing them in chi-squared or meta-analytic methods; and,
Only includes research that validates assumptions and does not consider contrary findings and alternative interpretations found in the literature.

Cook, Kathleen E. and Elise Murowchick. “Do Literature Review Skills Transfer from One Course to Another?” Psychology Learning and Teaching 13 (March 2014): 3-11; Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper . 2nd ed. Thousand Oaks, CA: Sage, 2005; Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1998; Jesson, Jill. Doing Your Literature Review: Traditional and Systematic Techniques . London: SAGE, 2011; Literature Review Handout. Online Writing Center. Liberty University; Literature Reviews. The Writing Center. University of North Carolina; Onwuegbuzie, Anthony J. and Rebecca Frels. Seven Steps to a Comprehensive Literature Review: A Multimodal and Cultural Approach . Los Angeles, CA: SAGE, 2016; Ridley, Diana. The Literature Review: A Step-by-Step Guide for Students . 2nd ed. Los Angeles, CA: SAGE, 2012; Randolph, Justus J. “A Guide to Writing the Dissertation Literature Review." Practical Assessment, Research, and Evaluation. vol. 14, June 2009; Sutton, Anthea. Systematic Approaches to a Successful Literature Review . Los Angeles, CA: Sage Publications, 2016; Taylor, Dena. The Literature Review: A Few Tips On Conducting It. University College Writing Centre. University of Toronto; Writing a Literature Review. Academic Skills Centre. University of Canberra.

Writing Tip

Break Out of Your Disciplinary Box!

Thinking interdisciplinarily about a research problem can be a rewarding exercise in applying new ideas, theories, or concepts to an old problem. For example, what might cultural anthropologists say about the continuing conflict in the Middle East? In what ways might geographers view the need for better distribution of social service agencies in large cities than how social workers might study the issue? You don’t want to substitute a thorough review of core research literature in your discipline for studies conducted in other fields of study. However, particularly in the social sciences, thinking about research problems from multiple vectors is a key strategy for finding new solutions to a problem or gaining a new perspective. Consult with a librarian about identifying research databases in other disciplines; almost every field of study has at least one comprehensive database devoted to indexing its research literature.

Frodeman, Robert. The Oxford Handbook of Interdisciplinarity . New York: Oxford University Press, 2010.

Another Writing Tip

Don't Just Review for Content!

While conducting a review of the literature, maximize the time you devote to writing this part of your paper by thinking broadly about what you should be looking for and evaluating. Review not just what scholars are saying, but how are they saying it. Some questions to ask:

How are they organizing their ideas?
What methods have they used to study the problem?
What theories have been used to explain, predict, or understand their research problem?
What sources have they cited to support their conclusions?
How have they used non-textual elements [e.g., charts, graphs, figures, etc.] to illustrate key points?

When you begin to write your literature review section, you'll be glad you dug deeper into how the research was designed and constructed because it establishes a means for developing more substantial analysis and interpretation of the research problem.

Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1 998.

Yet Another Writing Tip

When Do I Know I Can Stop Looking and Move On?

Here are several strategies you can utilize to assess whether you've thoroughly reviewed the literature:

Look for repeating patterns in the research findings . If the same thing is being said, just by different people, then this likely demonstrates that the research problem has hit a conceptual dead end. At this point consider: Does your study extend current research? Does it forge a new path? Or, does is merely add more of the same thing being said?
Look at sources the authors cite to in their work . If you begin to see the same researchers cited again and again, then this is often an indication that no new ideas have been generated to address the research problem.
Search Google Scholar to identify who has subsequently cited leading scholars already identified in your literature review [see next sub-tab]. This is called citation tracking and there are a number of sources that can help you identify who has cited whom, particularly scholars from outside of your discipline. Here again, if the same authors are being cited again and again, this may indicate no new literature has been written on the topic.

Onwuegbuzie, Anthony J. and Rebecca Frels. Seven Steps to a Comprehensive Literature Review: A Multimodal and Cultural Approach . Los Angeles, CA: Sage, 2016; Sutton, Anthea. Systematic Approaches to a Successful Literature Review . Los Angeles, CA: Sage Publications, 2016.

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Last Updated: Sep 4, 2024 9:40 AM
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How to Write a Literature Review

What Is a Literature Review
What Is the Literature

Writing the Review

Why Are You Writing This?

There are two primary points to remember as you are writing your literature review:

Stand-alone review: provide an overview and analysis of the current state of research on a topic or question
Research proposal: explicate the current issues and questions concerning a topic to demonstrate how your proposed research will contribute to the field
Research report: provide the context to which your work is a contribution.
Write as you read, and revise as you read more. Rather than wait until you have read everything you are planning to review, start writing as soon as you start reading. You will need to reorganize and revise it all later, but writing a summary of an article when you read it helps you to think more carefully about the article. Having drafts and annotations to work with will also make writing the full review easier since you will not have to rely completely on your memory or have to keep thumbing back through all the articles. Your draft does not need to be in finished, or even presentable, form. The first draft is for you, so you can tell yourself what you are thinking. Later you can rewrite it for others to tell them what you think.

General Steps for Writing a Literature Review

Here is a general outline of steps to write a thematically organized literature review. Remember, though, that there are many ways to approach a literature review, depending on its purpose.

Stage one: annotated bibliography. As you read articles, books, etc, on your topic, write a brief critical synopsis of each. After going through your reading list, you will have an abstract or annotation of each source you read. Later annotations are likely to include more references to other works since you will have your previous readings to compare, but at this point the important goal is to get accurate critical summaries of each individual work.
Stage two: thematic organization. Find common themes in the works you read, and organize the works into categories. Typically, each work you include in your review can fit into one category or sub-theme of your main theme, but sometimes a work can fit in more than one. (If each work you read can fit into all the categories you list, you probably need to rethink your organization.) Write some brief paragraphs outlining your categories, how in general the works in each category relate to each other, and how the categories relate to each other and to your overall theme.
Stage three: more reading. Based on the knowledge you have gained in your reading, you should have a better understanding of the topic and of the literature related to it. Perhaps you have discovered specific researchers who are important to the field, or research methodologies you were not aware of. Look for more literature by those authors, on those methodologies, etc. Also, you may be able to set aside some less relevant areas or articles which you pursued initially. Integrate the new readings into your literature review draft. Reorganize themes and read more as appropriate.
Stage four: write individual sections. For each thematic section, use your draft annotations (it is a good idea to reread the articles and revise annotations, especially the ones you read initially) to write a section which discusses the articles relevant to that theme. Focus your writing on the theme of that section, showing how the articles relate to each other and to the theme, rather than focusing your writing on each individual article. Use the articles as evidence to support your critique of the theme rather than using the theme as an angle to discuss each article individually.
Stage five: integrate sections. Now that you have the thematic sections, tie them together with an introduction, conclusion, and some additions and revisions in the sections to show how they relate to each other and to your overall theme.

Specific Points to Include

More specifically, here are some points to address when writing about specific works you are reviewing. In dealing with a paper or an argument or theory, you need to assess it (clearly understand and state the claim) and analyze it (evaluate its reliability, usefulness, validity). Look for the following points as you assess and analyze papers, arguments, etc. You do not need to state them all explicitly, but keep them in mind as you write your review:

Be specific and be succinct. Briefly state specific findings listed in an article, specific methodologies used in a study, or other important points. Literature reviews are not the place for long quotes or in-depth analysis of each point.
Be selective. You are trying to boil down a lot of information into a small space. Mention just the most important points (i.e. those most relevant to the review's focus) in each work you review.
Is it a current article? How old is it? Have its claims, evidence, or arguments been superceded by more recent work? If it is not current, is it important for historical background?
What specific claims are made? Are they stated clearly?
What evidence, and what type (experimental, statistical, anecdotal, etc) is offered? Is the evidence relevant? sufficient?
What arguments are given? What assumptions are made, and are they warranted?
What is the source of the evidence or other information? The author's own experiments, surveys, etc? Historical records? Government documents? How reliable are the sources?
Does the author take into account contrary or conflicting evidence and arguments? How does the author address disagreements with other researchers?
What specific conclusions are drawn? Are they warranted by the evidence?
How does this article, argument, theory, etc, relate to other work?

These, however, are just the points that should be addressed when writing about a specific work. It is not an outline of how to organize your writing. Your overall theme and categories within that theme should organize your writing, and the above points should be integrated into that organization. That is, rather than write something like:

Smith (2019) claims that blah, and provides evidence x to support it, and says it is probably because of blip. But Smith seems to have neglected factor b. Jones (2021) showed that blah by doing y, which, Jones claims, means it is likely because of blot. But that methodology does not exclude other possibilities. Johnson (2022) hypothesizes blah might be because of some other cause.

list the themes and then say how each article relates to that theme. For example:

Researchers agree that blah (Smith 2019, Jones 2021, Johnson 2022), but they do not agree on why. Smith claims it is probably due to blip, but Jones, by doing y, tries to show it is likely because of blot. Jones' methodology, however, does not exclude other possibilities. Johnson hypothesizes ...

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Last Updated: Jan 11, 2024 9:48 AM
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The Guide to Thematic Analysis

What is Thematic Analysis?
Advantages of Thematic Analysis
Disadvantages of Thematic Analysis
Thematic Analysis Examples
How to Do Thematic Analysis
Thematic Coding
Collaborative Thematic Analysis
Thematic Analysis Software
Thematic Analysis in Mixed Methods Approach
Abductive Thematic Analysis
Deductive Thematic Analysis
Inductive Thematic Analysis
Reflexive Thematic Analysis
Thematic Analysis in Observations
Thematic Analysis in Surveys
Thematic Analysis for Interviews
Thematic Analysis for Focus Groups
Thematic Analysis for Case Studies
Thematic Analysis of Secondary Data
Introduction

What is a thematic literature review?

Advantages of a thematic literature review, structuring and writing a thematic literature review.

Thematic Analysis vs. Phenomenology
Thematic vs. Content Analysis
Thematic Analysis vs. Grounded Theory
Thematic Analysis vs. Narrative Analysis
Thematic Analysis vs. Discourse Analysis
Thematic Analysis vs. Framework Analysis
Thematic Analysis in Social Work
Thematic Analysis in Psychology
Thematic Analysis in Educational Research
Thematic Analysis in UX Research
How to Present Thematic Analysis Results
Increasing Rigor in Thematic Analysis
Peer Review in Thematic Analysis

Thematic Analysis Literature Review

A thematic literature review serves as a critical tool for synthesizing research findings within a specific subject area. By categorizing existing literature into themes, this method offers a structured approach to identify and analyze patterns and trends across studies. The primary goal is to provide a clear and concise overview that aids scholars and practitioners in understanding the key discussions and developments within a field. Unlike traditional literature reviews , which may adopt a chronological approach or focus on individual studies, a thematic literature review emphasizes the aggregation of findings through key themes and thematic connections. This introduction sets the stage for a detailed examination of what constitutes a thematic literature review, its benefits, and guidance on effectively structuring and writing one.

A thematic literature review methodically organizes and examines a body of literature by identifying, analyzing, and reporting themes found within texts such as journal articles, conference proceedings, dissertations, and other forms of academic writing. While a particular journal article may offer some specific insight, a synthesis of knowledge through a literature review can provide a comprehensive overview of theories across relevant sources in a particular field.

Unlike other review types that might organize literature chronologically or by methodology , a thematic review focuses on recurring themes or patterns across a collection of works. This approach enables researchers to draw together previous research to synthesize findings from different research contexts and methodologies, highlighting the overarching trends and insights within a field.

At its core, a thematic approach to a literature review research project involves several key steps. Initially, it requires the comprehensive collection of relevant literature that aligns with the review's research question or objectives. Following this, the process entails a meticulous analysis of the texts to identify common themes that emerge across the studies. These themes are not pre-defined but are discovered through a careful reading and synthesis of the literature.

The thematic analysis process is iterative, often involving the refinement of themes as the review progresses. It allows for the integration of a broad range of literature, facilitating a multidimensional understanding of the research topic. By organizing literature thematically, the review illuminates how various studies contribute to each theme, providing insights into the depth and breadth of research in the area.

A thematic literature review thus serves as a foundational element in research, offering a nuanced and comprehensive perspective on a topic. It not only aids in identifying gaps in the existing literature but also guides future research directions by underscoring areas that warrant further investigation. Ultimately, a thematic literature review empowers researchers to construct a coherent narrative that weaves together disparate studies into a unified analysis.

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Conducting a literature review thematically provides a comprehensive and nuanced synthesis of research findings, distinguishing it from other types of literature reviews. Its structured approach not only facilitates a deeper understanding of the subject area but also enhances the clarity and relevance of the review. Here are three significant advantages of employing a thematic analysis in literature reviews.

Enhanced understanding of the research field

Thematic literature reviews allow for a detailed exploration of the research landscape, presenting themes that capture the essence of the subject area. By identifying and analyzing these themes, reviewers can construct a narrative that reflects the complexity and multifaceted nature of the field.

This process aids in uncovering underlying patterns and relationships, offering a more profound and insightful examination of the literature. As a result, readers gain an enriched understanding of the key concepts, debates, and evolutionary trajectories within the research area.

Identification of research gaps and trends

One of the pivotal benefits of a thematic literature review is its ability to highlight gaps in the existing body of research. By systematically organizing the literature into themes, reviewers can pinpoint areas that are under-explored or warrant further investigation.

Additionally, this method can reveal emerging trends and shifts in research focus, guiding scholars toward promising areas for future study. The thematic structure thus serves as a roadmap, directing researchers toward uncharted territories and new research questions .

Facilitates comparative analysis and integration of findings

A thematic literature review excels in synthesizing findings from diverse studies, enabling a coherent and integrated overview. By concentrating on themes rather than individual studies, the review can draw comparisons and contrasts across different research contexts and methodologies . This comparative analysis enriches the review, offering a panoramic view of the field that acknowledges both consensus and divergence among researchers.

Moreover, the thematic framework supports the integration of findings, presenting a unified and comprehensive portrayal of the research area. Such integration is invaluable for scholars seeking to navigate the extensive body of literature and extract pertinent insights relevant to their own research questions or objectives.

The process of structuring and writing a thematic literature review is pivotal in presenting research in a clear, coherent, and impactful manner. This review type necessitates a methodical approach to not only unearth and categorize key themes but also to articulate them in a manner that is both accessible and informative to the reader. The following sections outline essential stages in the thematic analysis process for literature reviews , offering a structured pathway from initial planning to the final presentation of findings.

Identifying and categorizing themes

The initial phase in a thematic literature review is the identification of themes within the collected body of literature. This involves a detailed examination of texts to discern patterns, concepts, and ideas that recur across the research landscape. Effective identification hinges on a thorough and nuanced reading of the literature, where the reviewer actively engages with the content to extract and note significant thematic elements. Once identified, these themes must be meticulously categorized, often requiring the reviewer to discern between overarching themes and more nuanced sub-themes, ensuring a logical and hierarchical organization of the review content.

Analyzing and synthesizing themes

After categorizing the themes, the next step involves a deeper analysis and synthesis of the identified themes. This stage is critical for understanding the relationships between themes and for interpreting the broader implications of the thematic findings. Analysis may reveal how themes evolve over time, differ across methodologies or contexts, or converge to highlight predominant trends in the research area. Synthesis involves integrating insights from various studies to construct a comprehensive narrative that encapsulates the thematic essence of the literature, offering new interpretations or revealing gaps in existing research.

Presenting and discussing findings

The final stage of the thematic literature review is the discussion of the thematic findings in a research paper or presentation. This entails not only a descriptive account of identified themes but also a critical examination of their significance within the research field. Each theme should be discussed in detail, elucidating its relevance, the extent of research support, and its implications for future studies. The review should culminate in a coherent and compelling narrative that not only summarizes the key thematic findings but also situates them within the broader research context, offering valuable insights and directions for future inquiry.

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Structuring Your Literature Review: Visualizing Key Themes and Sub-themes

Introduction.

Embarking on the journey of a literature review is akin to setting sail into a vast ocean of knowledge, where clarity and coherence serve as your guiding stars. In this second part of our Literature Review Series, we will delve into structuring and organizing your review, using visual representation as a compass to navigate through the sea of information.

Visual Representation

Picture this: your literature review as a sprawling cherry blossom tree, its branches stretching out to embrace the essence of your research, with each delicate bloom representing a key theme and every petal symbolizing a sub-theme. Visual metaphors like this breathe life into the abstract, transforming words into vibrant imagery. As you paint the canvas of knowledge with your insights, let these visuals guide your journey toward clarity and understanding.

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Main Themes

At the heart of your literature review lie the main themes, like sturdy branches supporting the weight of your analysis. But how do you identify them amidst the foliage of information? Look for recurring patterns, prominent concepts, and overarching ideas that define your research landscape. By distilling this wealth of information into three major themes, you lay the groundwork for a robust framework that will shape your narrative. Think of it as unearthing hidden gems from the depths of scholarly discourse, each one a testament to the richness of your field.

But the beauty of a literature review lies in its intricacies, its ability to capture the nuances and complexities that define a subject. Venture beyond the main branches and into the realm of sub-themes, where subtleties await discovery. For every major theme, uncover three sub-themes that offer depth and granularity to your analysis. These sub-branches serve as pathways to specialized areas of interest, illuminating facets of your topic that might otherwise remain in shadow. Imagine yourself as an intrepid explorer, charting new territories in the landscape of knowledge, guided by the light of inquiry.

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Expanding on Sub-themes

Delving deeper into sub-themes enriches the texture of your literature review, providing readers with a nuanced understanding of the subject. Consider, for instance, a literature review exploring the impact of climate change on global agriculture. While the main theme may encompass broad concepts such as "Climate Change Effects," delving into sub-themes like "Crop Adaptation Strategies," "Water Management Practices," and "Policy Interventions" offers a more comprehensive view of the topic. Each sub-theme acts as a lens through which to examine the multifaceted dimensions of the overarching theme, shedding light on diverse perspectives and contributing to a more holistic analysis.

Furthermore, sub-themes allow you to highlight specific areas of interest or contention within your research area. By identifying key sub-themes, you can structure your literature review in a way that reflects the breadth and depth of scholarly discourse, ensuring that no important aspect goes unnoticed. For example, in a review of the literature on mental health interventions, sub-themes such as "Cognitive Behavioral Therapy," "Pharmacological Treatments," and "Community-Based Programs" offer insight into different approaches to addressing mental health issues. Each sub-theme represents a distinct avenue of inquiry, contributing unique insights to the overall discussion.

Image Source: Scholarcy

In the tapestry of academia, a well-structured literature review serves as a thread that binds together disparate ideas and perspectives. By embracing visual representation and organizing key themes and sub-themes, you not only enhance the clarity of your analysis but also invite readers to embark on a journey of discovery alongside you. So fear not, fellow scholar, for with the tools of visualization and organization at your disposal, you are well-equipped to navigate the labyrinth of knowledge and emerge victorious on the shores of understanding.

Join us on the 1st Friday of every month from 6:00 - 7:00 pm EST for our FREE webinar, "All About The Literature Review," tailored for doctoral candidates and students. Plus, take advantage of early registration for the 9-week Dissertation Boot Camp, with special perks for early registrants! The Bootcamp runs from June 1st to July 26th, 2024.

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Boote, D. N., & Beile, P. (2005). Scholars before researchers: On the centrality of the dissertation literature review in research preparation. Educational Researcher, 34(6), 3-15.

Hart, C. (1998). Doing a literature review: Releasing the social science research imagination. Sage.

Fink, A. (2014). Conducting research literature reviews: From the internet to paper. Sage Publications.

Approaching literature review for academic purposes: The Literature Review Checklist

Debora f.b. leite.

I Departamento de Ginecologia e Obstetricia, Faculdade de Ciencias Medicas, Universidade Estadual de Campinas, Campinas, SP, BR

II Universidade Federal de Pernambuco, Pernambuco, PE, BR

III Hospital das Clinicas, Universidade Federal de Pernambuco, Pernambuco, PE, BR

Maria Auxiliadora Soares Padilha

Jose g. cecatti.

A sophisticated literature review (LR) can result in a robust dissertation/thesis by scrutinizing the main problem examined by the academic study; anticipating research hypotheses, methods and results; and maintaining the interest of the audience in how the dissertation/thesis will provide solutions for the current gaps in a particular field. Unfortunately, little guidance is available on elaborating LRs, and writing an LR chapter is not a linear process. An LR translates students’ abilities in information literacy, the language domain, and critical writing. Students in postgraduate programs should be systematically trained in these skills. Therefore, this paper discusses the purposes of LRs in dissertations and theses. Second, the paper considers five steps for developing a review: defining the main topic, searching the literature, analyzing the results, writing the review and reflecting on the writing. Ultimately, this study proposes a twelve-item LR checklist. By clearly stating the desired achievements, this checklist allows Masters and Ph.D. students to continuously assess their own progress in elaborating an LR. Institutions aiming to strengthen students’ necessary skills in critical academic writing should also use this tool.

INTRODUCTION

Writing the literature review (LR) is often viewed as a difficult task that can be a point of writer’s block and procrastination ( 1 ) in postgraduate life. Disagreements on the definitions or classifications of LRs ( 2 ) may confuse students about their purpose and scope, as well as how to perform an LR. Interestingly, at many universities, the LR is still an important element in any academic work, despite the more recent trend of producing scientific articles rather than classical theses.

The LR is not an isolated section of the thesis/dissertation or a copy of the background section of a research proposal. It identifies the state-of-the-art knowledge in a particular field, clarifies information that is already known, elucidates implications of the problem being analyzed, links theory and practice ( 3 - 5 ), highlights gaps in the current literature, and places the dissertation/thesis within the research agenda of that field. Additionally, by writing the LR, postgraduate students will comprehend the structure of the subject and elaborate on their cognitive connections ( 3 ) while analyzing and synthesizing data with increasing maturity.

At the same time, the LR transforms the student and hints at the contents of other chapters for the reader. First, the LR explains the research question; second, it supports the hypothesis, objectives, and methods of the research project; and finally, it facilitates a description of the student’s interpretation of the results and his/her conclusions. For scholars, the LR is an introductory chapter ( 6 ). If it is well written, it demonstrates the student’s understanding of and maturity in a particular topic. A sound and sophisticated LR can indicate a robust dissertation/thesis.

A consensus on the best method to elaborate a dissertation/thesis has not been achieved. The LR can be a distinct chapter or included in different sections; it can be part of the introduction chapter, part of each research topic, or part of each published paper ( 7 ). However, scholars view the LR as an integral part of the main body of an academic work because it is intrinsically connected to other sections ( Figure 1 ) and is frequently present. The structure of the LR depends on the conventions of a particular discipline, the rules of the department, and the student’s and supervisor’s areas of expertise, needs and interests.

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Interestingly, many postgraduate students choose to submit their LR to peer-reviewed journals. As LRs are critical evaluations of current knowledge, they are indeed publishable material, even in the form of narrative or systematic reviews. However, systematic reviews have specific patterns 1 ( 8 ) that may not entirely fit with the questions posed in the dissertation/thesis. Additionally, the scope of a systematic review may be too narrow, and the strict criteria for study inclusion may omit important information from the dissertation/thesis. Therefore, this essay discusses the definition of an LR is and methods to develop an LR in the context of an academic dissertation/thesis. Finally, we suggest a checklist to evaluate an LR.

WHAT IS A LITERATURE REVIEW IN A THESIS?

Conducting research and writing a dissertation/thesis translates rational thinking and enthusiasm ( 9 ). While a strong body of literature that instructs students on research methodology, data analysis and writing scientific papers exists, little guidance on performing LRs is available. The LR is a unique opportunity to assess and contrast various arguments and theories, not just summarize them. The research results should not be discussed within the LR, but the postgraduate student tends to write a comprehensive LR while reflecting on his or her own findings ( 10 ).

Many people believe that writing an LR is a lonely and linear process. Supervisors or the institutions assume that the Ph.D. student has mastered the relevant techniques and vocabulary associated with his/her subject and conducts a self-reflection about previously published findings. Indeed, while elaborating the LR, the student should aggregate diverse skills, which mainly rely on his/her own commitment to mastering them. Thus, less supervision should be required ( 11 ). However, the parameters described above might not currently be the case for many students ( 11 , 12 ), and the lack of formal and systematic training on writing LRs is an important concern ( 11 ).

An institutional environment devoted to active learning will provide students the opportunity to continuously reflect on LRs, which will form a dialogue between the postgraduate student and the current literature in a particular field ( 13 ). Postgraduate students will be interpreting studies by other researchers, and, according to Hart (1998) ( 3 ), the outcomes of the LR in a dissertation/thesis include the following:

To identify what research has been performed and what topics require further investigation in a particular field of knowledge;
To determine the context of the problem;
To recognize the main methodologies and techniques that have been used in the past;
To place the current research project within the historical, methodological and theoretical context of a particular field;
To identify significant aspects of the topic;
To elucidate the implications of the topic;
To offer an alternative perspective;
To discern how the studied subject is structured;
To improve the student’s subject vocabulary in a particular field; and
To characterize the links between theory and practice.

A sound LR translates the postgraduate student’s expertise in academic and scientific writing: it expresses his/her level of comfort with synthesizing ideas ( 11 ). The LR reveals how well the postgraduate student has proceeded in three domains: an effective literature search, the language domain, and critical writing.

Effective literature search

All students should be trained in gathering appropriate data for specific purposes, and information literacy skills are a cornerstone. These skills are defined as “an individual’s ability to know when they need information, to identify information that can help them address the issue or problem at hand, and to locate, evaluate, and use that information effectively” ( 14 ). Librarian support is of vital importance in coaching the appropriate use of Boolean logic (AND, OR, NOT) and other tools for highly efficient literature searches (e.g., quotation marks and truncation), as is the appropriate management of electronic databases.

Language domain

Academic writing must be concise and precise: unnecessary words distract the reader from the essential content ( 15 ). In this context, reading about issues distant from the research topic ( 16 ) may increase students’ general vocabulary and familiarity with grammar. Ultimately, reading diverse materials facilitates and encourages the writing process itself.

Critical writing

Critical judgment includes critical reading, thinking and writing. It supposes a student’s analytical reflection about what he/she has read. The student should delineate the basic elements of the topic, characterize the most relevant claims, identify relationships, and finally contrast those relationships ( 17 ). Each scientific document highlights the perspective of the author, and students will become more confident in judging the supporting evidence and underlying premises of a study and constructing their own counterargument as they read more articles. A paucity of integration or contradictory perspectives indicates lower levels of cognitive complexity ( 12 ).

Thus, while elaborating an LR, the postgraduate student should achieve the highest category of Bloom’s cognitive skills: evaluation ( 12 ). The writer should not only summarize data and understand each topic but also be able to make judgments based on objective criteria, compare resources and findings, identify discrepancies due to methodology, and construct his/her own argument ( 12 ). As a result, the student will be sufficiently confident to show his/her own voice .

Writing a consistent LR is an intense and complex activity that reveals the training and long-lasting academic skills of a writer. It is not a lonely or linear process. However, students are unlikely to be prepared to write an LR if they have not mastered the aforementioned domains ( 10 ). An institutional environment that supports student learning is crucial.

Different institutions employ distinct methods to promote students’ learning processes. First, many universities propose modules to develop behind the scenes activities that enhance self-reflection about general skills (e.g., the skills we have mastered and the skills we need to develop further), behaviors that should be incorporated (e.g., self-criticism about one’s own thoughts), and each student’s role in the advancement of his/her field. Lectures or workshops about LRs themselves are useful because they describe the purposes of the LR and how it fits into the whole picture of a student’s work. These activities may explain what type of discussion an LR must involve, the importance of defining the correct scope, the reasons to include a particular resource, and the main role of critical reading.

Some pedagogic services that promote a continuous improvement in study and academic skills are equally important. Examples include workshops about time management, the accomplishment of personal objectives, active learning, and foreign languages for nonnative speakers. Additionally, opportunities to converse with other students promotes an awareness of others’ experiences and difficulties. Ultimately, the supervisor’s role in providing feedback and setting deadlines is crucial in developing students’ abilities and in strengthening students’ writing quality ( 12 ).

HOW SHOULD A LITERATURE REVIEW BE DEVELOPED?

A consensus on the appropriate method for elaborating an LR is not available, but four main steps are generally accepted: defining the main topic, searching the literature, analyzing the results, and writing ( 6 ). We suggest a fifth step: reflecting on the information that has been written in previous publications ( Figure 2 ).

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First step: Defining the main topic

Planning an LR is directly linked to the research main question of the thesis and occurs in parallel to students’ training in the three domains discussed above. The planning stage helps organize ideas, delimit the scope of the LR ( 11 ), and avoid the wasting of time in the process. Planning includes the following steps:

Reflecting on the scope of the LR: postgraduate students will have assumptions about what material must be addressed and what information is not essential to an LR ( 13 , 18 ). Cooper’s Taxonomy of Literature Reviews 2 systematizes the writing process through six characteristics and nonmutually exclusive categories. The focus refers to the reviewer’s most important points of interest, while the goals concern what students want to achieve with the LR. The perspective assumes answers to the student’s own view of the LR and how he/she presents a particular issue. The coverage defines how comprehensive the student is in presenting the literature, and the organization determines the sequence of arguments. The audience is defined as the group for whom the LR is written.
Designating sections and subsections: Headings and subheadings should be specific, explanatory and have a coherent sequence throughout the text ( 4 ). They simulate an inverted pyramid, with an increasing level of reflection and depth of argument.
Identifying keywords: The relevant keywords for each LR section should be listed to guide the literature search. This list should mirror what Hart (1998) ( 3 ) advocates as subject vocabulary . The keywords will also be useful when the student is writing the LR since they guide the reader through the text.
Delineating the time interval and language of documents to be retrieved in the second step. The most recently published documents should be considered, but relevant texts published before a predefined cutoff year can be included if they are classic documents in that field. Extra care should be employed when translating documents.

Second step: Searching the literature

The ability to gather adequate information from the literature must be addressed in postgraduate programs. Librarian support is important, particularly for accessing difficult texts. This step comprises the following components:

Searching the literature itself: This process consists of defining which databases (electronic or dissertation/thesis repositories), official documents, and books will be searched and then actively conducting the search. Information literacy skills have a central role in this stage. While searching electronic databases, controlled vocabulary (e.g., Medical Subject Headings, or MeSH, for the PubMed database) or specific standardized syntax rules may need to be applied.

In addition, two other approaches are suggested. First, a review of the reference list of each document might be useful for identifying relevant publications to be included and important opinions to be assessed. This step is also relevant for referencing the original studies and leading authors in that field. Moreover, students can directly contact the experts on a particular topic to consult with them regarding their experience or use them as a source of additional unpublished documents.

Before submitting a dissertation/thesis, the electronic search strategy should be repeated. This process will ensure that the most recently published papers will be considered in the LR.

Selecting documents for inclusion: Generally, the most recent literature will be included in the form of published peer-reviewed papers. Assess books and unpublished material, such as conference abstracts, academic texts and government reports, are also important to assess since the gray literature also offers valuable information. However, since these materials are not peer-reviewed, we recommend that they are carefully added to the LR.

This task is an important exercise in time management. First, students should read the title and abstract to understand whether that document suits their purposes, addresses the research question, and helps develop the topic of interest. Then, they should scan the full text, determine how it is structured, group it with similar documents, and verify whether other arguments might be considered ( 5 ).

Third step: Analyzing the results

Critical reading and thinking skills are important in this step. This step consists of the following components:

Reading documents: The student may read various texts in depth according to LR sections and subsections ( defining the main topic ), which is not a passive activity ( 1 ). Some questions should be asked to practice critical analysis skills, as listed below. Is the research question evident and articulated with previous knowledge? What are the authors’ research goals and theoretical orientations, and how do they interact? Are the authors’ claims related to other scholars’ research? Do the authors consider different perspectives? Was the research project designed and conducted properly? Are the results and discussion plausible, and are they consistent with the research objectives and methodology? What are the strengths and limitations of this work? How do the authors support their findings? How does this work contribute to the current research topic? ( 1 , 19 )
Taking notes: Students who systematically take notes on each document are more readily able to establish similarities or differences with other documents and to highlight personal observations. This approach reinforces the student’s ideas about the next step and helps develop his/her own academic voice ( 1 , 13 ). Voice recognition software ( 16 ), mind maps ( 5 ), flowcharts, tables, spreadsheets, personal comments on the referenced texts, and note-taking apps are all available tools for managing these observations, and the student him/herself should use the tool that best improves his/her learning. Additionally, when a student is considering submitting an LR to a peer-reviewed journal, notes should be taken on the activities performed in all five steps to ensure that they are able to be replicated.

Fourth step: Writing

The recognition of when a student is able and ready to write after a sufficient period of reading and thinking is likely a difficult task. Some students can produce a review in a single long work session. However, as discussed above, writing is not a linear process, and students do not need to write LRs according to a specific sequence of sections. Writing an LR is a time-consuming task, and some scholars believe that a period of at least six months is sufficient ( 6 ). An LR, and academic writing in general, expresses the writer’s proper thoughts, conclusions about others’ work ( 6 , 10 , 13 , 16 ), and decisions about methods to progress in the chosen field of knowledge. Thus, each student is expected to present a different learning and writing trajectory.

In this step, writing methods should be considered; then, editing, citing and correct referencing should complete this stage, at least temporarily. Freewriting techniques may be a good starting point for brainstorming ideas and improving the understanding of the information that has been read ( 1 ). Students should consider the following parameters when creating an agenda for writing the LR: two-hour writing blocks (at minimum), with prespecified tasks that are possible to complete in one section; short (minutes) and long breaks (days or weeks) to allow sufficient time for mental rest and reflection; and short- and long-term goals to motivate the writing itself ( 20 ). With increasing experience, this scheme can vary widely, and it is not a straightforward rule. Importantly, each discipline has a different way of writing ( 1 ), and each department has its own preferred styles for citations and references.

Fifth step: Reflecting on the writing

In this step, the postgraduate student should ask him/herself the same questions as in the analyzing the results step, which can take more time than anticipated. Ambiguities, repeated ideas, and a lack of coherence may not be noted when the student is immersed in the writing task for long periods. The whole effort will likely be a work in progress, and continuous refinements in the written material will occur once the writing process has begun.

LITERATURE REVIEW CHECKLIST

In contrast to review papers, the LR of a dissertation/thesis should not be a standalone piece or work. Instead, it should present the student as a scholar and should maintain the interest of the audience in how that dissertation/thesis will provide solutions for the current gaps in a particular field.

A checklist for evaluating an LR is convenient for students’ continuous academic development and research transparency: it clearly states the desired achievements for the LR of a dissertation/thesis. Here, we present an LR checklist developed from an LR scoring rubric ( 11 ). For a critical analysis of an LR, we maintain the five categories but offer twelve criteria that are not scaled ( Figure 3 ). The criteria all have the same importance and are not mutually exclusive.

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First category: Coverage

1. justified criteria exist for the inclusion and exclusion of literature in the review.

This criterion builds on the main topic and areas covered by the LR ( 18 ). While experts may be confident in retrieving and selecting literature, postgraduate students must convince their audience about the adequacy of their search strategy and their reasons for intentionally selecting what material to cover ( 11 ). References from different fields of knowledge provide distinct perspective, but narrowing the scope of coverage may be important in areas with a large body of existing knowledge.

Second category: Synthesis

2. a critical examination of the state of the field exists.

A critical examination is an assessment of distinct aspects in the field ( 1 ) along with a constructive argument. It is not a negative critique but an expression of the student’s understanding of how other scholars have added to the topic ( 1 ), and the student should analyze and contextualize contradictory statements. A writer’s personal bias (beliefs or political involvement) have been shown to influence the structure and writing of a document; therefore, the cultural and paradigmatic background guide how the theories are revised and presented ( 13 ). However, an honest judgment is important when considering different perspectives.

3. The topic or problem is clearly placed in the context of the broader scholarly literature

The broader scholarly literature should be related to the chosen main topic for the LR ( how to develop the literature review section). The LR can cover the literature from one or more disciplines, depending on its scope, but it should always offer a new perspective. In addition, students should be careful in citing and referencing previous publications. As a rule, original studies and primary references should generally be included. Systematic and narrative reviews present summarized data, and it may be important to cite them, particularly for issues that should be understood but do not require a detailed description. Similarly, quotations highlight the exact statement from another publication. However, excessive referencing may disclose lower levels of analysis and synthesis by the student.

4. The LR is critically placed in the historical context of the field

Situating the LR in its historical context shows the level of comfort of the student in addressing a particular topic. Instead of only presenting statements and theories in a temporal approach, which occasionally follows a linear timeline, the LR should authentically characterize the student’s academic work in the state-of-art techniques in their particular field of knowledge. Thus, the LR should reinforce why the dissertation/thesis represents original work in the chosen research field.

5. Ambiguities in definitions are considered and resolved

Distinct theories on the same topic may exist in different disciplines, and one discipline may consider multiple concepts to explain one topic. These misunderstandings should be addressed and contemplated. The LR should not synthesize all theories or concepts at the same time. Although this approach might demonstrate in-depth reading on a particular topic, it can reveal a student’s inability to comprehend and synthesize his/her research problem.

6. Important variables and phenomena relevant to the topic are articulated

The LR is a unique opportunity to articulate ideas and arguments and to purpose new relationships between them ( 10 , 11 ). More importantly, a sound LR will outline to the audience how these important variables and phenomena will be addressed in the current academic work. Indeed, the LR should build a bidirectional link with the remaining sections and ground the connections between all of the sections ( Figure 1 ).

7. A synthesized new perspective on the literature has been established

The LR is a ‘creative inquiry’ ( 13 ) in which the student elaborates his/her own discourse, builds on previous knowledge in the field, and describes his/her own perspective while interpreting others’ work ( 13 , 17 ). Thus, students should articulate the current knowledge, not accept the results at face value ( 11 , 13 , 17 ), and improve their own cognitive abilities ( 12 ).

Third category: Methodology

8. the main methodologies and research techniques that have been used in the field are identified and their advantages and disadvantages are discussed.

The LR is expected to distinguish the research that has been completed from investigations that remain to be performed, address the benefits and limitations of the main methods applied to date, and consider the strategies for addressing the expected limitations described above. While placing his/her research within the methodological context of a particular topic, the LR will justify the methodology of the study and substantiate the student’s interpretations.

9. Ideas and theories in the field are related to research methodologies

The audience expects the writer to analyze and synthesize methodological approaches in the field. The findings should be explained according to the strengths and limitations of previous research methods, and students must avoid interpretations that are not supported by the analyzed literature. This criterion translates to the student’s comprehension of the applicability and types of answers provided by different research methodologies, even those using a quantitative or qualitative research approach.

Fourth category: Significance

10. the scholarly significance of the research problem is rationalized.

The LR is an introductory section of a dissertation/thesis and will present the postgraduate student as a scholar in a particular field ( 11 ). Therefore, the LR should discuss how the research problem is currently addressed in the discipline being investigated or in different disciplines, depending on the scope of the LR. The LR explains the academic paradigms in the topic of interest ( 13 ) and methods to advance the field from these starting points. However, an excess number of personal citations—whether referencing the student’s research or studies by his/her research team—may reflect a narrow literature search and a lack of comprehensive synthesis of ideas and arguments.

11. The practical significance of the research problem is rationalized

The practical significance indicates a student’s comprehensive understanding of research terminology (e.g., risk versus associated factor), methodology (e.g., efficacy versus effectiveness) and plausible interpretations in the context of the field. Notably, the academic argument about a topic may not always reflect the debate in real life terms. For example, using a quantitative approach in epidemiology, statistically significant differences between groups do not explain all of the factors involved in a particular problem ( 21 ). Therefore, excessive faith in p -values may reflect lower levels of critical evaluation of the context and implications of a research problem by the student.

Fifth category: Rhetoric

12. the lr was written with a coherent, clear structure that supported the review.

This category strictly relates to the language domain: the text should be coherent and presented in a logical sequence, regardless of which organizational ( 18 ) approach is chosen. The beginning of each section/subsection should state what themes will be addressed, paragraphs should be carefully linked to each other ( 10 ), and the first sentence of each paragraph should generally summarize the content. Additionally, the student’s statements are clear, sound, and linked to other scholars’ works, and precise and concise language that follows standardized writing conventions (e.g., in terms of active/passive voice and verb tenses) is used. Attention to grammar, such as orthography and punctuation, indicates prudence and supports a robust dissertation/thesis. Ultimately, all of these strategies provide fluency and consistency for the text.

Although the scoring rubric was initially proposed for postgraduate programs in education research, we are convinced that this checklist is a valuable tool for all academic areas. It enables the monitoring of students’ learning curves and a concentrated effort on any criteria that are not yet achieved. For institutions, the checklist is a guide to support supervisors’ feedback, improve students’ writing skills, and highlight the learning goals of each program. These criteria do not form a linear sequence, but ideally, all twelve achievements should be perceived in the LR.

CONCLUSIONS

A single correct method to classify, evaluate and guide the elaboration of an LR has not been established. In this essay, we have suggested directions for planning, structuring and critically evaluating an LR. The planning of the scope of an LR and approaches to complete it is a valuable effort, and the five steps represent a rational starting point. An institutional environment devoted to active learning will support students in continuously reflecting on LRs, which will form a dialogue between the writer and the current literature in a particular field ( 13 ).

The completion of an LR is a challenging and necessary process for understanding one’s own field of expertise. Knowledge is always transitory, but our responsibility as scholars is to provide a critical contribution to our field, allowing others to think through our work. Good researchers are grounded in sophisticated LRs, which reveal a writer’s training and long-lasting academic skills. We recommend using the LR checklist as a tool for strengthening the skills necessary for critical academic writing.

AUTHOR CONTRIBUTIONS

Leite DFB has initially conceived the idea and has written the first draft of this review. Padilha MAS and Cecatti JG have supervised data interpretation and critically reviewed the manuscript. All authors have read the draft and agreed with this submission. Authors are responsible for all aspects of this academic piece.

ACKNOWLEDGMENTS

We are grateful to all of the professors of the ‘Getting Started with Graduate Research and Generic Skills’ module at University College Cork, Cork, Ireland, for suggesting and supporting this article. Funding: DFBL has granted scholarship from Brazilian Federal Agency for Support and Evaluation of Graduate Education (CAPES) to take part of her Ph.D. studies in Ireland (process number 88881.134512/2016-01). There is no participation from sponsors on authors’ decision to write or to submit this manuscript.

No potential conflict of interest was reported.

1 The questions posed in systematic reviews usually follow the ‘PICOS’ acronym: Population, Intervention, Comparison, Outcomes, Study design.

2 In 1988, Cooper proposed a taxonomy that aims to facilitate students’ and institutions’ understanding of literature reviews. Six characteristics with specific categories are briefly described: Focus: research outcomes, research methodologies, theories, or practices and applications; Goals: integration (generalization, conflict resolution, and linguistic bridge-building), criticism, or identification of central issues; Perspective: neutral representation or espousal of a position; Coverage: exhaustive, exhaustive with selective citations, representative, central or pivotal; Organization: historical, conceptual, or methodological; and Audience: specialized scholars, general scholars, practitioners or policymakers, or the general public.

How To Structure Your Literature Review

3 options to help structure your chapter.

By: Amy Rommelspacher (PhD) | Reviewer: Dr Eunice Rautenbach | November 2020 (Updated May 2023)

Writing the literature review chapter can seem pretty daunting when you’re piecing together your dissertation or thesis. As we’ve discussed before , a good literature review needs to achieve a few very important objectives – it should:

Demonstrate your knowledge of the research topic
Identify the gaps in the literature and show how your research links to these
Provide the foundation for your conceptual framework (if you have one)
Inform your own methodology and research design

To achieve this, your literature review needs a well-thought-out structure . Get the structure of your literature review chapter wrong and you’ll struggle to achieve these objectives. Don’t worry though – in this post, we’ll look at how to structure your literature review for maximum impact (and marks!).

But wait – is this the right time?

Deciding on the structure of your literature review should come towards the end of the literature review process – after you have collected and digested the literature, but before you start writing the chapter.

In other words, you need to first develop a rich understanding of the literature before you even attempt to map out a structure. There’s no use trying to develop a structure before you’ve fully wrapped your head around the existing research.

Equally importantly, you need to have a structure in place before you start writing , or your literature review will most likely end up a rambling, disjointed mess.

Importantly, don’t feel that once you’ve defined a structure you can’t iterate on it. It’s perfectly natural to adjust as you engage in the writing process. As we’ve discussed before , writing is a way of developing your thinking, so it’s quite common for your thinking to change – and therefore, for your chapter structure to change – as you write.

Need a helping hand?

Like any other chapter in your thesis or dissertation, your literature review needs to have a clear, logical structure. At a minimum, it should have three essential components – an introduction , a body and a conclusion .

Let’s take a closer look at each of these.

1: The Introduction Section

Just like any good introduction, the introduction section of your literature review should introduce the purpose and layout (organisation) of the chapter. In other words, your introduction needs to give the reader a taste of what’s to come, and how you’re going to lay that out. Essentially, you should provide the reader with a high-level roadmap of your chapter to give them a taste of the journey that lies ahead.

Here’s an example of the layout visualised in a literature review introduction:

Example of literature review outline structure

Your introduction should also outline your topic (including any tricky terminology or jargon) and provide an explanation of the scope of your literature review – in other words, what you will and won’t be covering (the delimitations ). This helps ringfence your review and achieve a clear focus . The clearer and narrower your focus, the deeper you can dive into the topic (which is typically where the magic lies).

Depending on the nature of your project, you could also present your stance or point of view at this stage. In other words, after grappling with the literature you’ll have an opinion about what the trends and concerns are in the field as well as what’s lacking. The introduction section can then present these ideas so that it is clear to examiners that you’re aware of how your research connects with existing knowledge .

2: The Body Section

The body of your literature review is the centre of your work. This is where you’ll present, analyse, evaluate and synthesise the existing research. In other words, this is where you’re going to earn (or lose) the most marks. Therefore, it’s important to carefully think about how you will organise your discussion to present it in a clear way.

The body of your literature review should do just as the description of this chapter suggests. It should “review” the literature – in other words, identify, analyse, and synthesise it. So, when thinking about structuring your literature review, you need to think about which structural approach will provide the best “review” for your specific type of research and objectives (we’ll get to this shortly).

There are (broadly speaking) three options for organising your literature review.

The body section of your literature review is the where you'll present, analyse, evaluate and synthesise the existing research.

Option 1: Chronological (according to date)

Organising the literature chronologically is one of the simplest ways to structure your literature review. You start with what was published first and work your way through the literature until you reach the work published most recently. Pretty straightforward.

The benefit of this option is that it makes it easy to discuss the developments and debates in the field as they emerged over time. Organising your literature chronologically also allows you to highlight how specific articles or pieces of work might have changed the course of the field – in other words, which research has had the most impact . Therefore, this approach is very useful when your research is aimed at understanding how the topic has unfolded over time and is often used by scholars in the field of history. That said, this approach can be utilised by anyone that wants to explore change over time .

Adopting the chronological structure allows you to discuss the developments and debates in the field as they emerged over time.

For example , if a student of politics is investigating how the understanding of democracy has evolved over time, they could use the chronological approach to provide a narrative that demonstrates how this understanding has changed through the ages.

Here are some questions you can ask yourself to help you structure your literature review chronologically.

What is the earliest literature published relating to this topic?
How has the field changed over time? Why?
What are the most recent discoveries/theories?

In some ways, chronology plays a part whichever way you decide to structure your literature review, because you will always, to a certain extent, be analysing how the literature has developed. However, with the chronological approach, the emphasis is very firmly on how the discussion has evolved over time , as opposed to how all the literature links together (which we’ll discuss next ).

Option 2: Thematic (grouped by theme)

The thematic approach to structuring a literature review means organising your literature by theme or category – for example, by independent variables (i.e. factors that have an impact on a specific outcome).

As you’ve been collecting and synthesising literature , you’ll likely have started seeing some themes or patterns emerging. You can then use these themes or patterns as a structure for your body discussion. The thematic approach is the most common approach and is useful for structuring literature reviews in most fields.

For example, if you were researching which factors contributed towards people trusting an organisation, you might find themes such as consumers’ perceptions of an organisation’s competence, benevolence and integrity. Structuring your literature review thematically would mean structuring your literature review’s body section to discuss each of these themes, one section at a time.

The thematic structure allows you to organise your literature by theme or category – e.g. by independent variables.

Here are some questions to ask yourself when structuring your literature review by themes:

Are there any patterns that have come to light in the literature?
What are the central themes and categories used by the researchers?
Do I have enough evidence of these themes?

PS – you can see an example of a thematically structured literature review in our literature review sample walkthrough video here.

Option 3: Methodological

The methodological option is a way of structuring your literature review by the research methodologies used . In other words, organising your discussion based on the angle from which each piece of research was approached – for example, qualitative , quantitative or mixed methodologies.

Structuring your literature review by methodology can be useful if you are drawing research from a variety of disciplines and are critiquing different methodologies. The point of this approach is to question how existing research has been conducted, as opposed to what the conclusions and/or findings the research were.

The methodological structure allows you to organise your chapter by the analysis method used - e.g. qual, quant or mixed.

For example, a sociologist might centre their research around critiquing specific fieldwork practices. Their literature review will then be a summary of the fieldwork methodologies used by different studies.

Here are some questions you can ask yourself when structuring your literature review according to methodology:

Which methodologies have been utilised in this field?
Which methodology is the most popular (and why)?
What are the strengths and weaknesses of the various methodologies?
How can the existing methodologies inform my own methodology?

3: The Conclusion Section

Once you’ve completed the body section of your literature review using one of the structural approaches we discussed above, you’ll need to “wrap up” your literature review and pull all the pieces together to set the direction for the rest of your dissertation or thesis.

The conclusion is where you’ll present the key findings of your literature review. In this section, you should emphasise the research that is especially important to your research questions and highlight the gaps that exist in the literature. Based on this, you need to make it clear what you will add to the literature – in other words, justify your own research by showing how it will help fill one or more of the gaps you just identified.

Last but not least, if it’s your intention to develop a conceptual framework for your dissertation or thesis, the conclusion section is a good place to present this.

In the conclusion section, you’ll need to present the key findings of your literature review and highlight the gaps that exist in the literature. Based on this, you'll need to make it clear what your study will add to the literature.

Example: Thematically Structured Review

In the video below, we unpack a literature review chapter so that you can see an example of a thematically structure review in practice.

Let’s Recap

In this article, we’ve discussed how to structure your literature review for maximum impact. Here’s a quick recap of what you need to keep in mind when deciding on your literature review structure:

Just like other chapters, your literature review needs a clear introduction , body and conclusion .
The introduction section should provide an overview of what you will discuss in your literature review.
The body section of your literature review can be organised by chronology , theme or methodology . The right structural approach depends on what you’re trying to achieve with your research.
The conclusion section should draw together the key findings of your literature review and link them to your research questions.

If you’re ready to get started, be sure to download our free literature review template to fast-track your chapter outline.

Psst… there’s more!

This post is an extract from our bestselling short course, Literature Review Bootcamp . If you want to work smart, you don't want to miss this .

29 Comments

Great work. This is exactly what I was looking for and helps a lot together with your previous post on literature review. One last thing is missing: a link to a great literature chapter of an journal article (maybe with comments of the different sections in this review chapter). Do you know any great literature review chapters?

I agree with you Marin… A great piece

I agree with Marin. This would be quite helpful if you annotate a nicely structured literature from previously published research articles.

Awesome article for my research.

I thank you immensely for this wonderful guide

It is indeed thought and supportive work for the futurist researcher and students

Very educative and good time to get guide. Thank you

Great work, very insightful. Thank you.

Thanks for this wonderful presentation. My question is that do I put all the variables into a single conceptual framework or each hypothesis will have it own conceptual framework?

Thank you very much, very helpful

This is very educative and precise . Thank you very much for dropping this kind of write up .

Pheeww, so damn helpful, thank you for this informative piece.

I’m doing a research project topic ; stool analysis for parasitic worm (enteric) worm, how do I structure it, thanks.

comprehensive explanation. Help us by pasting the URL of some good “literature review” for better understanding.

great piece. thanks for the awesome explanation. it is really worth sharing. I have a little question, if anyone can help me out, which of the options in the body of literature can be best fit if you are writing an architectural thesis that deals with design?

I am doing a research on nanofluids how can l structure it?

Beautifully clear.nThank you!

Lucid! Thankyou!

Brilliant work, well understood, many thanks

I like how this was so clear with simple language 😊😊 thank you so much 😊 for these information 😊

Insightful. I was struggling to come up with a sensible literature review but this has been really helpful. Thank you!

You have given thought-provoking information about the review of the literature.

Thank you. It has made my own research better and to impart your work to students I teach

I learnt a lot from this teaching. It’s a great piece.

I am doing research on EFL teacher motivation for his/her job. How Can I structure it? Is there any detailed template, additional to this?

You are so cool! I do not think I’ve read through something like this before. So nice to find somebody with some genuine thoughts on this issue. Seriously.. thank you for starting this up. This site is one thing that is required on the internet, someone with a little originality!

I’m asked to do conceptual, theoretical and empirical literature, and i just don’t know how to structure it

Asking questions are actually fastidious thing if you are not understanding anything fully, but this article presents good understanding yet.

thank you SOOO much it is really helpful ..

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Literature Reviews

What is a Literature Review?
Steps for Creating a Literature Review
Providing Evidence / Critical Analysis
Challenges when writing a Literature Review
Systematic Literature Reviews

Developing a Literature Review

1. Purpose and Scope

To help you develop a literature review, gather information on existing research, sub-topics, relevant research, and overlaps. Note initial thoughts on the topic - a mind map or list might be helpful - and avoid unfocused reading, collecting irrelevant content. A literature review serves to place your research within the context of existing knowledge. It demonstrates your understanding of the field and identifies gaps that your research aims to fill. This helps in justifying the relevance and necessity of your study.

To avoid over-reading, set a target word count for each section and limit reading time. Plan backwards from the deadline and move on to other parts of the investigation. Read major texts and explore up-to-date research. Check reference lists and citation indexes for common standard texts. Be guided by research questions and refocus on your topic when needed. Stop reading if you find similar viewpoints or if you're going off topic.

You can use a "Synthesis Matrix" to keep track of your reading notes. This concept map helps you to provide a summary of the literature and its connections is produced as a result of this study. Utilizing referencing software like RefWorks to obtain citations, you can construct the framework for composing your literature evaluation.

2. Source Selection

Focus on searching for academically authoritative texts such as academic books, journals, research reports, and government publications. These sources are critical for ensuring the credibility and reliability of your review.

Academic Books: Provide comprehensive coverage of a topic.
Journal Articles: Offer the most up-to-date research and are essential for a literature review.
Research Reports: Detailed accounts of specific research projects.
Government Publications: Official documents that provide reliable data and insights.

3. Thematic Analysis

Instead of merely summarizing sources, identify and discuss key themes that emerge from the literature. This involves interpreting and evaluating how different authors have tackled similar issues and how their findings relate to your research.

4. Critical Evaluation

Adopt a critical attitude towards the sources you review. Scrutinize, question, and dissect the material to ensure that your review is not just descriptive but analytical. This helps in highlighting the significance of various sources and their relevance to your research.

Each work's critical assessment should take into account:

Provenance: What qualifications does the author have? Are the author's claims backed up by proof, such as first-hand accounts from history, case studies, stories, statistics, and current scientific discoveries? Methodology: Were the strategies employed to locate, collect, and evaluate the data suitable for tackling the study question? Was the sample size suitable? Were the findings properly reported and interpreted? Objectivity : Is the author's viewpoint impartial or biased? Does the author's thesis get supported by evidence that refutes it, or does it ignore certain important facts? Persuasiveness: Which of the author's arguments is the strongest or weakest in terms of persuasiveness? Value: Are the author's claims and deductions believable? Does the study ultimately advance our understanding of the issue in any meaningful way?

5. Categorization

Organize your literature review by grouping sources into categories based on themes, relevance to research questions, theoretical paradigms, or chronology. This helps in presenting your findings in a structured manner.

6. Source Validity

Ensure that the sources you include are valid and reliable. Classic texts may retain their authority over time, but for fields that evolve rapidly, prioritize the most recent research. Always check the credibility of the authors and the impact of their work in the field.

7. Synthesis and Findings

Synthesize the information from various sources to draw conclusions about the current state of knowledge. Identify trends, controversies, and gaps in the literature. Relate your findings to your research questions and suggest future directions for research.

Practical Tips

Use a variety of sources, including online databases, university libraries, and reference lists from relevant articles. This ensures a comprehensive coverage of the literature.
Avoid listing sources without analysis. Use tables, bulk citations, and footnotes to manage references efficiently and make your review more readable.
Writing a literature review is an ongoing process. Start writing early and revise as you read more. This iterative process helps in refining your arguments and identifying additional sources as needed.

Brown University Library (2024) Organizing and Creating Information. Available at: https://libguides.brown.edu/organize/litreview (Accessed: 30 July 2024).

Pacheco-Vega, R. (2016) Synthesizing different bodies of work in your literature review: The Conceptual Synthesis Excel Dump (CSED) technique . Available at: http://www.raulpacheco.org/2016/06/synthesizing-different-bodies-of-work-in-your-literature-review-the-conceptual-synthesis-excel-dump-technique/ (Accessed: 30 July 2024).

Study Advice at the University of Reading (2024) Literature reviews . Available at: https://libguides.reading.ac.uk/literaturereview/developing (Accessed: 31 July 2024).

26 comments :

This was very helpful Jes! Thanks a lot.

We're glad you found this post helpful, Eniale!

Thank you Jes. I found your method to thematic literature review very useful and easy to understand. I am a Phd student in Education with the University of Durban.I am based in Zimbabwe.

We are glad you found this method useful!

I am having difficulties locating an example of a completed literature review outline. Where would I find additional examples? Thank you.

You’re welcome!

Hi is literature review writing same as writing a thematic summary after reading articles based on the given topic?

Great question! It depends on the assignment (what faculty want with the thematic summary assignment). For literature reviews, paragraphs revolve around themes within the literature as opposed to authors. So, when Jes uses the phrasing, "thematic literature reviews," she is referring to how literature reviews are about synthesizing themes across the literature as opposed to creating paragraphs that are summaries for each singular author/ source. You can read more about synthesis on our website http://bit.ly/2JEUK09

thank you, this one is useful.

I've been in a slump for weeks regarding a literature review assignment. This is very very helpful! Thank you!

We're happy this helped! Good luck with your literature review!

I'm doing a lit review for a post grad certificate and I have to discuss the findings using a framework analysis, can you lead me to the right section. Yours struggling

Hello, You might check with your professor regarding what is meant by “framework analysis” in relation to the finding of your literature review. While the Writing Center has some sources on components of writing literature reviews, it is best to speak with faculty regarding assignment specifics. You might also check out our page on literature reviews: https://academicguides.waldenu.edu/writingcenter/assignments/literaturereview We hope this helps!

i have found it useful, it has polished me some how, my problem in the literature review is how to formulate themes and subthemes for the topic. forexample dealing with solid waste skips monitoring and management for municpalities. what themes can i build on in the study. thank you dear.

Hello! I think creating an outline my help you identify some main themes and sub themes and then you can choose what themes and sub themes you want to focus on from there. You might check out our outlining page for tips on creating an outline: http://bit.ly/2WP3UCe. We hope this helps!

Thank you! My professor referenced this link/article for the literature review assignment in a research class. This was helpful.

So glad you found it helpful! Thank you for commenting!

This really was helpful. I feel so much better about tackling my lit review now. Thanks!

Helping writers gain confidence in their skills is one of our primary goals for this blog. Thank you for reaching out with this kind note to let us know we are on the right track! :)

Really informative study. It helped me in finding themes in literature. Plz if u can give me your email. It will be very helpful to me in writing my dissertation

This was very helpful; clear and concise. Thank you!

Oh Jes! you just sent me back to the drawing board, guilty of annotated bibliography. Thank you for this helpful writeup.

I'm sure you're not alone! And there is a reason this is a blog post topic. :) Kudos for identifying potential issues in your own writing and thank you so much for reading and commenting!

im failing to understand the concept themes

This can be a tricky concept to grasp, which is why we've created blog posts like this one. Basically, "themes" are ideas that connect so that writers are organizing based on themes rather than on sources. So instead of having one paragraph about one article, another paragraph about a different article, and a third paragraph about a third article, the paragraphs would be organized based on common ideas shared between two or three of the articles. You might check out our MEAL plan resources (https://academicanswers.waldenu.edu/faq/72800), or our resources for synthesis (https://academicanswers.waldenu.edu/faq/72694) for further clarification. Hope this helps! Thanks for reading!

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Theme Definition

What is theme? Here’s a quick and simple definition:

A theme is a universal idea, lesson, or message explored throughout a work of literature. One key characteristic of literary themes is their universality, which is to say that themes are ideas that not only apply to the specific characters and events of a book or play, but also express broader truths about human experience that readers can apply to their own lives. For instance, John Steinbeck's The Grapes of Wrath (about a family of tenant farmers who are displaced from their land in Oklahoma) is a book whose themes might be said to include the inhumanity of capitalism, as well as the vitality and necessity of family and friendship.

Some additional key details about theme:

All works of literature have themes. The same work can have multiple themes, and many different works explore the same or similar themes.
Themes are sometimes divided into thematic concepts and thematic statements . A work's thematic concept is the broader topic it touches upon (love, forgiveness, pain, etc.) while its thematic statement is what the work says about that topic. For example, the thematic concept of a romance novel might be love, and, depending on what happens in the story, its thematic statement might be that "Love is blind," or that "You can't buy love . "
Themes are almost never stated explicitly. Oftentimes you can identify a work's themes by looking for a repeating symbol , motif , or phrase that appears again and again throughout a story, since it often signals a recurring concept or idea.

Theme Pronunciation

Here's how to pronounce theme: theem

Identifying Themes

Every work of literature—whether it's an essay, a novel, a poem, or something else—has at least one theme. Therefore, when analyzing a given work, it's always possible to discuss what the work is "about" on two separate levels: the more concrete level of the plot (i.e., what literally happens in the work), as well as the more abstract level of the theme (i.e., the concepts that the work deals with). Understanding the themes of a work is vital to understanding the work's significance—which is why, for example, every LitCharts Literature Guide uses a specific set of themes to help analyze the text.

Although some writers set out to explore certain themes in their work before they've even begun writing, many writers begin to write without a preconceived idea of the themes they want to explore—they simply allow the themes to emerge naturally through the writing process. But even when writers do set out to investigate a particular theme, they usually don't identify that theme explicitly in the work itself. Instead, each reader must come to their own conclusions about what themes are at play in a given work, and each reader will likely come away with a unique thematic interpretation or understanding of the work.

Symbol, Motif, and Leitwortstil

Writers often use three literary devices in particular—known as symbol , motif , and leitwortstil —to emphasize or hint at a work's underlying themes. Spotting these elements at work in a text can help you know where to look for its main themes.

Near the beginning of Romeo and Juliet , Benvolio promises to make Romeo feel better about Rosaline's rejection of him by introducing him to more beautiful women, saying "Compare [Rosaline's] face with some that I shall show….and I will make thee think thy swan a crow." Here, the swan is a symbol for how Rosaline appears to the adoring Romeo, while the crow is a symbol for how she will soon appear to him, after he has seen other, more beautiful women.
Symbols might occur once or twice in a book or play to represent an emotion, and in that case aren't necessarily related to a theme. However, if you start to see clusters of similar symbols appearing in a story, this may mean that the symbols are part of an overarching motif, in which case they very likely are related to a theme.
For example, Shakespeare uses the motif of "dark vs. light" in Romeo and Juliet to emphasize one of the play's main themes: the contradictory nature of love. To develop this theme, Shakespeare describes the experience of love by pairing contradictory, opposite symbols next to each other throughout the play: not only crows and swans, but also night and day, moon and sun. These paired symbols all fall into the overall pattern of "dark vs. light," and that overall pattern is called a motif.
A famous example is Kurt Vonnegut's repetition of the phrase "So it goes" throughout his novel Slaughterhouse Five , a novel which centers around the events of World War II. Vonnegut's narrator repeats the phrase each time he recounts a tragic story from the war, an effective demonstration of how the horrors of war have become normalized for the narrator. The constant repetition of the phrase emphasizes the novel's primary themes: the death and destruction of war, and the futility of trying to prevent or escape such destruction, and both of those things coupled with the author's skepticism that any of the destruction is necessary and that war-time tragedies "can't be helped."

Symbol, motif and leitwortstil are simply techniques that authors use to emphasize themes, and should not be confused with the actual thematic content at which they hint. That said, spotting these tools and patterns can give you valuable clues as to what might be the underlying themes of a work.

Thematic Concepts vs. Thematic Statements

A work's thematic concept is the broader topic it touches upon—for instance:

Forgiveness

while its thematic statement is the particular argument the writer makes about that topic through his or her work, such as:

Human judgement is imperfect.
Love cannot be bought.
Getting revenge on someone else will not fix your problems.
Learning to forgive is part of becoming an adult.

Should You Use Thematic Concepts or Thematic Statements?

Some people argue that when describing a theme in a work that simply writing a thematic concept is insufficient, and that instead the theme must be described in a full sentence as a thematic statement. Other people argue that a thematic statement, being a single sentence, usually creates an artificially simplistic description of a theme in a work and is therefore can actually be more misleading than helpful. There isn't really a right answer in this debate.

In our LitCharts literature study guides , we usually identify themes in headings as thematic concepts, and then explain the theme more fully in a few paragraphs. We find thematic statements limiting in fully exploring or explaining a the theme, and so we don't use them. Please note that this doesn't mean we only rely on thematic concepts—we spend paragraphs explaining a theme after we first identify a thematic concept. If you are asked to describe a theme in a text, you probably should usually try to at least develop a thematic statement about the text if you're not given the time or space to describe it more fully. For example, a statement that a book is about "the senselessness of violence" is a lot stronger and more compelling than just saying that the book is about "violence."

Identifying Thematic Statements

One way to try to to identify or describe the thematic statement within a particular work is to think through the following aspects of the text:

Plot: What are the main plot elements in the work, including the arc of the story, setting, and characters. What are the most important moments in the story? How does it end? How is the central conflict resolved?
Protagonist: Who is the main character, and what happens to him or her? How does he or she develop as a person over the course of the story?
Prominent symbols and motifs: Are there any motifs or symbols that are featured prominently in the work—for example, in the title, or recurring at important moments in the story—that might mirror some of the main themes?

After you've thought through these different parts of the text, consider what their answers might tell you about the thematic statement the text might be trying to make about any given thematic concept. The checklist above shouldn't be thought of as a precise formula for theme-finding, but rather as a set of guidelines, which will help you ask the right questions and arrive at an interesting thematic interpretation.

Theme Examples

The following examples not only illustrate how themes develop over the course of a work of literature, but they also demonstrate how paying careful attention to detail as you read will enable you to come to more compelling conclusions about those themes.

Themes in F. Scott Fitzgerald's The Great Gatsby

Fitzgerald explores many themes in The Great Gatsby , among them the corruption of the American Dream .

The story's narrator is Minnesota-born Nick Caraway, a New York bonds salesman. Nick befriends Jay Gatsby, the protagonist, who is a wealthy man who throws extravagant parties at his mansion.
The central conflict of the novel is Gatsby's pursuit of Daisy, whom he met and fell in love with as a young man, but parted from during World War I.
He makes a fortune illegally by bootlegging alcohol, to become the sort of wealthy man he believes Daisy is attracted to, then buys a house near her home, where she lives with her husband.
While he does manage to re-enter Daisy's life, she ultimately abandons him and he dies as a result of her reckless, selfish behavior.
Gatsby's house is on the water, and he stares longingly across the water at a green light that hangs at the edge of a dock at Daisy's house which sits across a the bay. The symbol of the light appears multiple times in the novel—during the early stages of Gatsby's longing for Daisy, during his pursuit of her, and after he dies without winning her love. It symbolizes both his longing for daisy and the distance between them (the distance of space and time) that he believes (incorrectly) that he can bridge.
In addition to the green light, the color green appears regularly in the novel. This motif of green broadens and shapes the symbolism of the green light and also influences the novel's themes. While green always remains associated with Gatsby's yearning for Daisy and the past, and also his ambitious striving to regain Daisy, it also through the motif of repeated green becomes associated with money, hypocrisy, and destruction. Gatsby's yearning for Daisy, which is idealistic in some ways, also becomes clearly corrupt in others, which more generally impacts what the novel is saying about dreams more generally and the American Dream in particular.

Gatsby pursues the American Dream, driven by the idea that hard work can lead anyone from poverty to wealth, and he does so for a single reason: he's in love with Daisy. However, he pursues the dream dishonestly, making a fortune by illegal means, and ultimately fails to achieve his goal of winning Daisy's heart. Furthermore, when he actually gets close to winning Daisy's heart, she brings about his downfall. Through the story of Gatsby and Daisy, Fitzgerald expresses the point of view that the American Dream carries at its core an inherent corruption. You can read more about the theme of The American Dream in The Great Gatsby here .

Themes in Chinua Achebe's Things Fall Apart

In Things Fall Apart , Chinua Achebe explores the theme of the dangers of rigidly following tradition .

Okonkwo is obsessed with embodying the masculine ideals of traditional Igbo warrior culture.
Okonkwo's dedication to his clan's traditions is so extreme that it even alienates members of his own family, one of whom joins the Christians.
The central conflict: Okonkwo's community adapts to colonization in order to survive, becoming less warlike and allowing the minor injustices that the colonists inflict upon them to go unchallenged. Okonkwo, however, refuses to adapt.
At the end of the novel, Okonkwo impulsively kills a Christian out of anger. Recognizing that his community does not support his crime, Okonkwo kills himself in despair.
Clanswomen who give birth to twins abandon the babies in the forest to die, according to traditional beliefs that twins are evil.
Okonkwo kills his beloved adopted son, a prisoner of war, according to the clan's traditions.
Okonkwo sacrifices a goat in repentence, after severely beating his wife during the clan's holy week.

Through the tragic story of Okonkwo, Achebe is clearly dealing with the theme of tradition, but a close examination of the text reveals that he's also making a clear thematic statement that following traditions too rigidly leads people to the greatest sacrifice of all: that of personal agency . You can read more about this theme in Things Fall Apart here .

Themes in Robert Frost's The Road Not Taken

Poem's have themes just as plot-driven narratives do. One theme that Robert Frost explores in this famous poem, The Road Not Taken , is the illusory nature of free will .

The poem's speaker stands at a fork in the road, in a "yellow wood."
He (or she) looks down one path as far as possible, then takes the other, which seems less worn.
The speaker then admits that the paths are about equally worn—there's really no way to tell the difference—and that a layer of leaves covers both of the paths, indicating that neither has been traveled recently.
After taking the second path, the speaker finds comfort in the idea of taking the first path sometime in the future, but acknowledges that he or she is unlikely to ever return to that particular fork in the woods.
The speaker imagines how, "with a sigh" she will tell someone in the future, "I took the road less travelled—and that has made all the difference."
By wryly predicting his or her own need to romanticize, and retroactively justify, the chosen path, the speaker injects the poem with an unmistakeable hint of irony .
The speaker's journey is a symbol for life, and the two paths symbolize different life paths, with the road "less-travelled" representing the path of an individualist or lone-wolf. The fork where the two roads diverge represents an important life choice. The road "not taken" represents the life path that the speaker would have pursued had he or she had made different choices.

Frost's speaker has reached a fork in the road, which—according to the symbolic language of the poem—means that he or she must make an important life decision. However, the speaker doesn't really know anything about the choice at hand: the paths appear to be the same from the speaker's vantage point, and there's no way he or she can know where the path will lead in the long term. By showing that the only truly informed choice the speaker makes is how he or she explains their decision after they have already made it , Frost suggests that although we pretend to make our own choices, our lives are actually governed by chance.

What's the Function of Theme in Literature?

Themes are a huge part of what readers ultimately take away from a work of literature when they're done reading it. They're the universal lessons and ideas that we draw from our experiences of works of art: in other words, they're part of the whole reason anyone would want to pick up a book in the first place!

It would be difficult to write any sort of narrative that did not include any kind of theme. The narrative itself would have to be almost completely incoherent in order to seem theme-less, and even then readers would discern a theme about incoherence and meaninglessness. So themes are in that sense an intrinsic part of nearly all writing. At the same time, the themes that a writer is interested in exploring will significantly impact nearly all aspects of how a writer chooses to write a text. Some writers might know the themes they want to explore from the beginning of their writing process, and proceed from there. Others might have only a glimmer of an idea, or have new ideas as they write, and so the themes they address might shift and change as they write. In either case, though, the writer's ideas about his or her themes will influence how they write.

One additional key detail about themes and how they work is that the process of identifying and interpreting them is often very personal and subjective. The subjective experience that readers bring to interpreting a work's themes is part of what makes literature so powerful: reading a book isn't simply a one-directional experience, in which the writer imparts their thoughts on life to the reader, already distilled into clear thematic statements. Rather, the process of reading and interpreting a work to discover its themes is an exchange in which readers parse the text to tease out the themes they find most relevant to their personal experience and interests.

Other Helpful Theme Resources

The Wikipedia Page on Theme: An in-depth explanation of theme that also breaks down the difference between thematic concepts and thematic statements.
The Dictionary Definition of Theme: A basic definition and etymology of the term.
In this instructional video , a teacher explains her process for helping students identify themes.

The printed PDF version of the LitCharts literary term guide on Theme

Dramatic Irony
Common Meter
Verbal Irony
Understatement
Flat Character
Protagonist
Personification
Polysyndeton
Colloquialism
Blank Verse
Falling Action

Quizzes, saving guides, requests, plus so much more.

Open access
Published: 11 September 2024

Incorporating equity, diversity and inclusion (EDI) into the education and assessment of professionalism for healthcare professionals and trainees: a scoping review

Darsh Shah 1 ,
Nima Behravan 1 ,
Nujud Al-Jabouri 2 &
Matthew Sibbald 1 , 2

BMC Medical Education volume 24 , Article number: 991 ( 2024 ) Cite this article

Metrics details

Current definitions of professionalism for healthcare trainees often lack equity, diversity and inclusion (EDI) in the expectations and assessment of professionalism. While professionalism teaching is incorporated in healthcare training, equity-deserving groups still experience discrimination. This scoping review investigates the literature to understand how EDI and associated domains of cultural humility, and advocacy can be incorporated in healthcare trainees’ education and assessment of professionalism.

The Arksey and O’Malley framework was applied to this scoping review. MEDLINE, Embase & PsychINFO were searched up to March 2023, with terms surrounding health professionals, professionalism, EDI, cultural humility, and advocacy. Titles and abstracts ( n = 3870) and full-texts ( n = 140) were independently screened by two reviewers. Articles were included if they focused on EDI, cultural humility, or advocacy among healthcare students/trainees, and had outcomes related to professionalism. Articles lacking discussion of professionalism as an outcome were excluded. Themes were generated by mutual discussion. Risk of bias was assessed using the Cote et al. and Medical Education Research Study Quality Instrument (MERSQI) tools.

48 articles underwent thematic analysis. Studies investigated the disciplines of medicine, nursing, social work, physiotherapy, and dentistry. Most studies were qualitative in methodology ( n = 23). Three themes emerged: (1) EDI-related interventions are associated with improved professionalism of healthcare trainees/workers ( n = 21). Interventions employed were either an EDI-associated educational course ( n = 8) or an exchange program to promote EDI competencies among trainees ( n = 13). (2) Trainee definitions and perceptions of professionalism include themes related to EDI and cultural humility ( n = 12). (3) Current standards of professionalism are perceived as non-inclusive towards historically-marginalized populations ( n = 15). Literature investigating advocacy as it relates to professionalism is limited.

This review identified that core EDI principles and its associated domains of cultural humility and advocacy are often viewed as integral to professionalism. These findings create a strong impetus to incorporate EDI principles within professionalism frameworks in healthcare education. Future research should employ standardized tools for professionalism assessment to provide more conclusive evidence. Incorporating patient perspectives of professionalism can inform actionable recommendations for fostering inclusive healthcare environments.

Peer Review reports

Introduction

In the healthcare pedagogical literature, professionalism has often been broadly defined as a set of characteristics, competencies and attitudes that are expected of a healthcare professional or trainee [ 1 ]. A paper published in the American Medical Association Journal of Ethics suggests that upholding equity is amongst the most important roles of a physician by stating: “Organizational, system, and policy reform demand that professionalism be redefined in terms of its capacity to motivate equity in health professions education and clinical practice” [ 2 ]. However, despite attempts of healthcare institutions to define specific domains and competencies in their professionalism frameworks, concepts of EDI, cultural humility and advocacy are often omitted in these frameworks [ 2 ].

An example of a healthcare professionalism framework is one developed by the Michael G. DeGroote School of Medicine (MGDSM) at McMaster University in Hamilton, Ontario, Canada. This framework is called the Professionalism in Practice (PIP) framework, which teaches and holds its learners accountable to the following core domains of professionalism: professional responsibility and integrity, pursuit of excellence/insight, personal interactions, as well as EDI and Indigenous reconciliation [ 3 ]. As noted here, the MGDSM makes a deliberate effort to outline EDI and Indigenous reconciliation as a core domain to uphold as a standard of its learners’ and providers’ professionalism. Another example of a healthcare professionalism framework is that developed by the National Taiwan University College of Medicine (NTUCM). The NTUCM developed this medical professionalism framework through contributions from stakeholders, including chairs of hospital departments, residents, and attending physicians. The resultant consensus framework consisted of 8 domains: integrity, humanism, altruism, communication, clinical competence, ethics, excellence, and accountability [ 4 ]. Despite some overlap between the healthcare professionalism frameworks of NTUCM and MGDSM, various competencies are not shared across the two frameworks. For example, the NTUCM framework does not explicitly have a domain pertinent to EDI, cultural humility or advocacy [ 4 ]. Therefore, due to the inherent subjectivity and lack of unison in the definitions and domains of professionalism frameworks at different institutions, crucial concepts such as EDI, cultural humility and advocacy may be left out of professionalism curricula and frameworks.

Numerous studies find that EDI, cultural humility and advocacy are beneficial for both patients and healthcare teams. A review paper found that multiple studies suggest patient outcomes are improved by more diverse teams, and that healthcare environments that are identified as diverse are found to be less prone to disputes in times of change [ 5 ]. Additionally, despite the efforts of healthcare institutions in teaching, assessing and upholding professionalism expectations from their trainees, discriminatory practices and consequent healthcare disparities still persist. For instance, in Canada, Black and Indigenous communities continue to experience discrimination when seeking healthcare services [ 6 , 7 , 8 , 9 , 10 ]. In an ethnographic study conducted in an emergency department (ED) in a large teaching hospital in a Western Canadian city, it was found that many Indigenous patients felt they were being judged on the basis of their identity, and that presumptions were made that their visits to the ED were due to illegitimate pain issues or inappropriate reasons [ 6 ]. An important example of discriminatory healthcare practices against Indigenous communities is that of Joyce Echaquan, an Indigenous patient at a Quebec hospital who, moments before her passing, recorded a video displaying her screaming in pain while her healthcare providers made distasteful remarks towards her based on racially-charged stereotypes [ 7 ]. Additionally, a qualitative study on self-identified Black individuals who lived in Montréal during the COVID-19 pandemic found several themes regarding internalized anti-Black racism amongst healthcare providers, including the presence of insensitivity towards racial discrimination by some providers [ 8 ].

The discriminatory practices and healthcare disparities amongst patients of equity-deserving backgrounds noted above [ 6 , 7 , 8 , 9 , 10 ], combined with the lack of emphasis on EDI in healthcare professionalism definitions [ 2 ], creates a strong impetus for redefining expectations of professionalism from healthcare professionals and trainees to encompass concepts of cultural humility and advocacy.

This scoping review systematically searches the literature to evaluate how EDI and associated domains of cultural humility and advocacy are related to and can be incorporated into the standards, teaching and evaluation of professionalism for healthcare workers and trainees.

Research question

This scoping review aggregates the existing evidence on the following research question: What literature is available on how principles of equity , diversity and inclusion (EDI) are incorporated in the education and assessment of professionalism for health professions trainees?

Approach to terminology

This paper utilizes the terminology recommended by the American Medical Association (AMA) and the Association of American Medical Colleges (AAMC) to guide language, narrative, and concepts as our standard for inclusive language that promotes health equity. For instance, per the AMA and AAMC recommendations, the terms “cultural competency”, “minority/minority groups” and “equality” as commonly found in the literature, are substituted with terms such as “cultural humility/safety”, “(people from) racial and ethnic groups’’ and “equity”, respectively [ 11 ].

Materials and methods

We adopted scoping review methodology to understand the breadth and depth of literature pertaining to the principles of EDI in professionalism education and assessment [ 12 ]. We were guided by Arksey and O’Malley’s methodological framework for scoping reviews, which includes five main stages (1) identifying the research question; (2) identifying relevant studies; (3) study selection; (4) charting the data; and (5) collating, summarizing and reporting the results [ 13 ]. We reported our process according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR) Checklist through multiple rounds of feedback and modification by our research team [ 14 ].

Eligibility criteria

Studies were included if (1) the population was practicing health professionals and trainees working in the fields of medicine, nursing, social work, rehabilitation, multidisciplinary healthcare teams, medical education, dentistry, midwifery, and pharmacy (2) the outcome was related to professionalism within the objectives, methodology, or results sections, and (3) professionalism was linked to EDI, cultural humility, or advocacy. Studies were excluded if they (1) were not in English, (2) did not focus on professionalism outcomes, (3) did not focus on our population of interest, and (4) were grey literature publications (e.g. conference proceedings, abstracts, non-peer reviewed reports). Considering that both empirical and non-empirical studies have the potential to yield meaningful findings on concepts of EDI and professionalism, no restrictions were placed on study design.

Search strategy

A preliminary search was conducted to identify keywords and subject headings related to our research question. The final search strategy was developed in consultation among the research team members and a librarian at McMaster Health Sciences Library. Three electronic databases were searched from inception to March 7, 2023: Embase, Medline and PsycINFO. Search terms were designed to capture concepts of “advocacy” AND “cultural humility” AND “healthcare professionals” AND “healthcare trainees” AND “professionalism” AND “professional development.” Search terms were adapted for each database as subject headings or keywords where appropriate (See Appendix S1 , Additional File 1 ). To identify any non-indexed literature, we hand searched the reference list of included studies and Google Scholar. The search strategy used the same search term combinations as described above and was limited to literature published in peer-reviewed journals only. Grey literature, such as individual institution’s professionalism frameworks, were not included. Covidence software was used to manage citations, including removing duplicates and screening [ 15 ].

A revised search was conducted between March 7th 2023 to April 1st 2024 with an identical search strategy to identify advances in the literature. A set of 204 unique records were identified for which abstract and full-text screening were completed. We did not identify any new studies meeting inclusion/exclusion criteria that added substantial evidence to the results of our study.

Screening process

A pilot screening test of the eligibility criteria was conducted by two independent reviewers (NA, DS, or NB) on a small sample of studies. Reviewers met to discuss their agreement level and the eligibility criteria was modified for clarity. Following this pilot test, two independent reviewers (NA, DS, or NB) screened titles and abstracts to evaluate their eligibility against the inclusion and exclusion criteria. Studies that passed the initial screening process underwent full-text screening by two independent reviewers (NA, DS, or NB). Disagreements at any screening stage were resolved by a third reviewer or consensus-based discussion. A PRISMA-ScR flowchart was used to show the process of study selection (Fig. 1 ).

Data extraction

A data extraction sheet was developed by the authors and used to organize data from included studies. Data extraction was divided among three members (NA, DS or NB) and was conducted using the Excel software. All extracted data was reviewed by a different member (NA, DS or NB). The final extraction table included (1) study characteristics (i.e., authors, publication year, country), (2) sample characteristics (i.e., number of participants, population description), (3) methodological characteristics (i.e., study design, program description/recruitment), and (4) study outcomes related to professionalism (See Appendix S2 , Additional File 1 ).

Quality appraisal

One reviewer (NA, DS or NB) assessed the quality of studies using tools for qualitative and quantitative data. This consisted of the Medical Education Research Study Quality Instrument (MERSQI) for quantitative studies, and a qualitative study grid published by Côté et al. [ 16 , 17 ].

Data analysis

This review qualitatively analyzed the data following the thematic analysis approach [ 18 ]. Three reviewers (NA, DS & NB) independently categorized data according to their meaning and content. Subsequently, key themes were independently identified and formulated. These themes were then compared and any disagreements were resolved with discussion-based consensus, arriving at three main themes.

Literature scope and characteristics

Results of the initial search are presented in Fig. 1 , including rationales for excluded articles. The data searches yielded 4194 unique records, with 125 selected for full-text review. After screening against eligibility criteria, 34 articles were included for data extraction. Included articles spanned publication between 2005 and 2023. An additional 24 articles were identified from hand-searching of included studies, of which 14 met eligibility criteria, producing a total of 48 articles included in our analysis.

PRISMA-ScR Flow Diagram

Most studies involved medical trainees or physicians ( n = 18). Other professions examined in the literature included nursing, social work, dentistry, midwifery, and physical therapists. Most studies were based in the United States ( n = 19) among other countries such as Australia ( n = 4), the United Kingdom ( n = 1), Canada ( n = 4), and Turkey ( n = 3) with eleven studies being multinational ( n = 11). The majority of studies were qualitative in nature ( n = 23) followed by mixed-methods ( n = 10), commentaries ( n = 8), and quantitative ( n = 7). Characteristics of the studies divided by themes can be found in the supplementary material (Appendix S2 , Additional File 1 ) Among qualitative studies, methods of evaluating professionalism were predominantly based on participant interviews ( n = 16) followed by surveys ( n = 13), written narratives ( n = 9), and literature review ( n = 3). Quantitative measures included internally designed Likert scales to measure participants’ perspectives ( n = 14) with few studies employing validated tools ( n = 3). Twenty-one studies employed an EDI training intervention, split between educational courses ( n = 8) and clinical placements ( n = 11). A summary of quality appraisal is presented in the supplementary material (See Appendix S3 , Additional File 1 ).

Theme 1: EDI-related interventions are associated with improved professionalism of healthcare trainees/professionals

Most studies investigated outcomes after an EDI-oriented intervention on professionalism outcomes among participants ( n = 21). Studies within this theme are divided based on their intervention of an educational course ( n = 8) or an exchange clinical placement ( n = 13). Topics of the educational courses included health advocacy, cultural humility, and spirituality/religion [ 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 ]. All eight studies reported an improvement in professionalism or professional identity formation. Four of the eight studies explicitly link professionalism and EDI concepts [ 19 , 20 , 22 , 26 ]. In one study, first-year medical students completed a 10-month community health elective course aimed to expand cultural humility and advocacy in the context of adolescent care [ 22 ]. Reflective essays completed at the end of the course revealed that 90% of students noted an increase in knowledge and skills of professionalism [ 22 ]. These findings are seen across healthcare disciplines including nursing, pharmacy, social work, and other allied health. A 10-week interprofessional course aimed at developing cultural humility induced professional growth in addition to improved cultural proficiency among nursing, pharmacy, and social work trainees [ 26 ]. These studies demonstrate improved professionalism as an outcome for EDI-promotion through healthcare education.

Studies employing clinical placement interventions as methods of EDI-training revolved around either rural community or international placements [ 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 ]. Professionalism outcomes included a heterogenous combination of reflections on patient-clinican and interprofessional interactions [ 32 , 34 ]. All thirteen studies report improvement in domains of professionalism secondary to exchange programs within different cultural settings [ 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 ]. A 4-week exchange between Japanese and UK medical students was associated with professionalism outcomes including social justice and resource stewardship [ 38 ]. Five of the thirteen studies explicitly connect domains of EDI to professionalism or professional development [ 28 , 29 , 33 , 36 , 37 ]. In these cases, cross-cultural experiences directly improve professionalism in participants [ 31 , 33 , 36 ]. Remaining studies describe parallel improvements in cultural humility and professionalism as outcomes of the intervention with implicit associations between the two concepts [ 27 , 39 ].

Theme 2: operationalization of professionalism revealed themes of EDI

A second subset of studies assessed trainee conceptualization of health professionalism within their respective field of practice ( n = 12) [ 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 ]. These studies investigate the attitudes, perspectives, and competencies of trainees on professionalism in relationship to domains of EDI. Trainees note that adaptibility and humility are critical elements of professionalism, which extends to adapting to cultural and social norms [ 51 ]. Inability to accomodate differences in gender norms, language, or cultural beliefs are sources of professionalism dilemmas [ 44 ]. Hamdan Alshammari and Alboliteeh applied a structural equation model to questionnaire responses of 587 nurses in Saudi Arabia. They find significant correlations between dimensions of professionalism and cultural competency [ 50 ]. Similarly, practitioner perceptions of cultural competency are closely related to perceptions of professional development rather than formal health professional education [ 43 ]. A bidirectional relationship between professionalism and themes of EDI is demonstrated in the literature. Topics of EDI including cultural humility and health advocacy are often cited as core components of professional development [ 47 , 51 ]. Simultaneously, medical trainees, physicians, and researchers identify a need to integrate professionalism assessment within the development of an effective cultural humility curricula [ 46 ]. Conventional professionalism values such patient centeredness, bias recognition and clinical skills are necessary for cultural humility [ 46 ]. Therefore, not only is EDI training a contributing factor to professionalism, professional identity development is required for acquisition of EDI competencies.

Theme 3: current standards of professionalism are perceived as non-inclusive

The final set of studies explored the perspectives of trainees and practitioners from equity-deserving groups (n= [ 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 ]. Specifically, researchers investigated perceptions of professionalism in the workplace with reference to gender identity, sexual orientation, race/ethnicity and other EDI-associated demographic factors [ 52 , 53 ]. Participants from equity-deserving groups routinely experience professionalism as culturally and ethnically restrictive [ 53 ]. In these studies, professionalism is defined as a reflection of the cultural norms and expectations of the dominant social group [ 59 ]. Given the historical context in which professionalism was established, these norms often stem from the “White male identity” [ 53 ]. Consequently, trainees and practitioners that deviate from existing definitions of professionalism in terms of racial or ethnic identity, culture, skin colour, gender identity, sexual orientation, or colour are at a disadvantage. Survey of practitioners from equity-deserving backgrounds notes increased criticism over professional actions and increased pressure to conform. Furthermore, cultural and ethnic incongruity with the professionalism standard inhibits professional development to positions of leadership [ 54 , 55 ]. This literature is also surrounded by a handful of recent commentaries by physicians on the current inequities faced by equity-deserving populations [ 59 , 60 , 61 , 62 , 63 , 64 , 65 ]. Rosenberg and colleagues discuss three cases in which professionalism standards propagated disparities within medicine. One case is of a Latin medical student who was deemed unprofessional in a clinical examination as she was wearing Latin earrings [ 61 ]. Dr. AbdelHameid shares her experiences as a Black physician burden by an expectation to comply with racially charged interactions with patients and colleagues in order to align with professionalism expectations [ 62 ]. International medical graduates highlight the unique challenges of adapting to professionalism norms due to the inherent interconnectedness of professional identity and cultural schemata [ 65 ]. A common motif remains a sense of rigidity in definitions of professionalism with limited ethnic expression afforded to practitioners [ 59 , 62 ]. Accordingly, there is increasing support for the existing definitions of professionalism to include measures of equity, diversity, and cultural humility [ 52 , 55 , 56 ]. Professionalism is viewed as a tool to promote anti-discriminatory practice within the clinical landscape [ 54 ]. Advocacy is proposed as a valuable competency for trainees to induce changes in institutional professionalism standards [ 53 ]. Strategies to centre equity and inclusion include increased justice within professionalism assessment and greater value for diverse populations on clinical teams [ 65 ]. Patient facing strategies outlined by studies within this theme include greater humility for structural inequities faced by marginalized populations and attention to positionality in patient care (Fig. 2 ) [ 65 ].

The aim of this scoping review was to characterize existing literature surrounding EDI, cultural humility, and advocacy principles in professionalism education, assessment, or experiences for healthcare trainees and practitioners. EDI and professionalism are explored in three predominant modalities. EDI-interventions such as educational courses improve professionalism outcomes among learners (Fig. 2 ) [ 19 , 22 , 24 ]. In the present studies, rural and foreign exchange programs are intended to produce improvements in cultural humility. Previous research supports the beneficial outcomes of short-term overseas programs in cultural humility [ 65 , 67 ]. The present studies extend this finding by demonstrating concurrent improvements in professionalism [ 32 , 34 , 38 ]. Furthermore, there is a direct and positive correlation between professional and cultural competencies measured among practitioners [ 50 ]. These findings further support an interconnected model of professionalism and cultural humility.

Integrated model of professionalism including EDI, cultural humility, and health advocacy

Interventions promoting advocacy as a domain of professionalism were more limited in the literature [ 20 ]. While there is a strong agreement for advocacy as a professional responsibility, the scope of the healthcare practitioner as an advocate remains unclear and may contribute to the lack of organized interventions in this area [ 68 , 69 , 70 , 71 ]. Nevertheless, Peluso and colleagues (2013) discuss the success of a four-week “advocacy and activism” module as a component of medical students’ professionalism education. Advocacy is frequently cited within the scope of professional competencies of healthcare trainees [ 72 , 73 ]. Therefore, structured assessment of advocacy education in professionalism remains an area requiring further investigation.

Development and revision of professionalism frameworks rely on values expressed by trainees and practitioners [ 73 , 74 ]. Studies in the first and second domains of our findings cumulatively express an inherent relationship between EDI and professionalism. Interventions to promote EDI competencies, whether it be through educational courses or clinical placements, foster professionalism amongst learners. Healthcare trainees and professionals conceptualize EDI competencies as core values of professionalism in contrast to existing frameworks that lack EDI domains [ 45 , 75 ]. Conversely, healthcare practitioners with formed professional identities tend to demonstrate greater awareness for EDI [ 39 ]. An application of social learning theory translated from engineering profession consolidates this bidirectional relationship in which successful professional identity formation is necessary to acquire values of EDI [ 76 ]. These findings suggest that EDI and professionalism are interrelated domains rather than mutually exclusive competencies.

Commentaries around this topic in the literature signify the disparity faced by individuals from equity-deserving groups due to the lack of EDI integration in current professionalism standards. Narratives from equity deserving groups recall experiences of suppressing their cultural, racial, sexual, and other personal identities to conform with definitions of professionalism. Expression of personal identity that doesn’t align with definitions of professionalism is viewed as unprofessional, hinding individuals from equity deserving groups from attaining positions of leadership [ 62 ]. The coin model of privilege and critical allyship, as described by Nixon, conceptualizes each system of inequity as a coin. These coins provide unearned power to certain individuals based on their relationship to the system of inequity. It elegantly highlights the disparity in power to reform systems of inequity disproportionately given to populations of historic domination [ 77 ]. In our context, the coin signifies existing standards of professionalism by which health professionals are trained and held accountable. Current standards are viewed as exclusive to professionals from equity-deserving groups, rendering their placement on their bottom of the professionalism “coin” and resulting in an unearned disadvantage. The path towards critical allyship requires efforts from those in positions of privilege to reshape these frameworks, incorporating greater awareness of domains of EDI as core competencies of the health professional. Greater emphasis on the values of EDI in the professionalism standards will help bridge health disparities, reflected in improved patient outcomes and higher quality care [ 78 , 79 ]. Current challenges to enacting these changes stems from a performative attitude towards professionalism. Professionalism, if reduced to a checklist of behaviours, fails to capture the commitment to social justice required to institute change [ 63 ]. Attitudes and beliefs of professionalism assessment also remains a challenge, as trainees are more hesitant to engage in advocacy if their institutions are viewed as hostile towards advocacy efforts [ 53 ]. Engaging trainees in the design of professionalism education may prove to be instrumental in instigating change [ 53 ].

Limitations of the literature

Most studies assessed changes in professionalism or measures of EDI with self-reported techniques such as questionnaires, written reflections, or interviews. A few studies use validated tools for assessment of professional development [ 22 ] while most rely on the interpretation of student feedback or internally constructed questionnaires [ 25 , 26 ]. Over the last three decades, an increasing number of validated professionalism tools have been developed based on existing frameworks of professionalism [ 79 , 80 ]. Professionalism assessment inventories are available across medicine, nursing, and pharmacy and demonstrate high reliability and content validity compared to self-report measures [ 80 , 81 , 82 ]. However these tools remain scarce, in-part due to unclear definitions of professionalism, and thus self-report measures are favoured [ 83 ]. Increased use of these tools would support more valid assessments of professionalism in the context of EDI-associated interventions. Studies present in this review engaged solely health trainees and professionals with self-assessment of professionalism. Perspectives from patients are a valuable, and often underutilized, source for gauging professionalism in clinical settings [ 75 ]. Studies investigating patient perception of professionalism in the context of EDI training may serve as a valuable measure for the integration of these concepts.

Limitations of our study

The literature search was developed according to the starting framework of the professionalism-in-practice (PIP) developed at McMaster University [ 3 ]. The framework provides guidance towards query terms related to domains of EDI. Therefore, the conceptualization of the present literature is within the context of the applied framework. Other frameworks may have informed a different strategy to investigate literature on professionalism [ 73 , 84 ]. Secondly, our study aims to promote more equity-oriented language according to the AAMC guide to language promoting health equity [ 11 ]. In this context, we opted to use terms such as “cultural humility” in place of “cultural competency”. However, we acknowledge that those terms are not interchangeable in all contexts [ 85 ].

Conclusion and future directions

To our knowledge, our study is the first to review literature around EDI and professionalism in the healthcare setting. We demonstrate that a significant body of research supports the integration of domains of EDI into professionalism education and assessment across interdisciplinary programs. Interventions aimed to improve measures of EDI concordantly improved measures of professionalism. Domains of EDI, cultural humility, and advocacy correlate with professionalism noted both by self-reported measures and quantitative surveys of health professionals. Current models of professionalism are viewed as non-inclusive to practitioners of equity-deserving groups. These juxtaposing findings suggest an increasing need for the revision of definitions of professionalism to better address competencies of EDI across healthcare disciplines.

We expect this study to drive future research and serve as a support for the development and revision of professionalism frameworks with domains of EDI, cultural humility, and advocacy. The Michael G. DeGroote school of Medicine from which our work is based recently revised its internal model of professionalism to include a domain of EDI [ 3 ]. This revision aims to further address the disparities faced by patients and practitioners of equity-deserving backgrounds. We recommend revisions in professionalism frameworks to serve as a foundation for deeper implementation of EDI in existing health professions training through various modalities including educational opportunities, tools, and mentorship programs. The literature reviewed in this study support the use of interprofessional educational courses. Alternatively electives that increase exposure to equity deserving groups is a feasible form of EDI training for professionalism development. EDI is also increasingly being incorporated into healthcare simulation with recent development of tools for trainees to reflect on simulation training from an EDI perspective [ 85 , 86 , 87 ]. In addition to educational courses and clinical placements discussed in this review, individualized support towards professional identity formation of trainees from equity deserving groups is in emergently recognized aspect of professionalism education [ 88 ]. The University of Toronto’s diversity mentorship initiative have successfully aimed to support professionalism among students from equity-deserving groups, demonstrating the effectiveness of structured mentorship in fostering professional growth within these populations [ 88 ]. Incorporation of EDI into professionalism education for health professionals is a longitudinal endeavour starting at revision of existing frameworks and definitions of professionalism., We hope our work drives the evidence-based design of professionalism frameworks guiding health professional education and standards of assessment.

Data availability

The authors confirm that all relevant data, including the search strategy, databases used, and the papers used in data extraction and analysis are included in the article, or can be found in the supplementary files.

Abbreviations

Equity, Diversity and Inclusion

Medical Education Research Study Quality Instrument

Michael G. DeGroote School of Medicine

Nominal Group Technique

National Taiwan University College of Medicine

Professionalism in Practice

Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews

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Acknowledgements

We would like to express our gratitude to Dr. Dorothy Bakker and other members of the Michael G. DeGroote School of Medicine Professionalism Education Committee for their guidance in the development of a scoping search strategy and journal selection.

The authors conducted this study without external funding.

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MS defined the research topic and study design, and as a more experienced researcher in the team, provided mentorship and constructive feedback throughout the research process. MS also guided the team in journal selection. DS, NB and NA were responsible for the development of the search strategy, devising inclusion and exclusion criteria, screening titles, abstracts and full-text articles, conducting thematic analyses and manuscript writing, with MS providing continued guidance throughout all these steps. All authors thoroughly reviewed the manuscript and provided edits and constructive feedback. The final version of the manuscript was approved by all authors. We would like to declare DS, NB and NA all as first authors with equal contributions and division of tasks throughout the research process.

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Shah, D., Behravan, N., Al-Jabouri, N. et al. Incorporating equity, diversity and inclusion (EDI) into the education and assessment of professionalism for healthcare professionals and trainees: a scoping review. BMC Med Educ 24 , 991 (2024). https://doi.org/10.1186/s12909-024-05981-3

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A Systematic Literature Review on Flexible Strategies and Performance Indicators for Supply Chain Resilience

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Published: 10 September 2024

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Ananna Paul 1 &
Suvash C. Saha ORCID: orcid.org/0000-0002-9962-8919 1

Supply chain resilience is a widely useful concept for managing risk and disruption. Designing strategies for preparedness, response, and recovery can help businesses to mitigate risks and disruptions. Among them, flexible strategies can effectively improve supply chain resilience. In the literature, several studies have considered different types of flexible strategies and investigated their impacts on supply chain resilience. However, a systematic literature review (SLR) paper on this topic can further help to understand the scientific progress, research gaps, and avenues for future research. Hence, this study aims to explore how the literature has contributed to the area of flexible strategies and the impact on supply chain resilience performance. To achieve our objective, we apply an SLR methodology to identify themes such as research areas and key findings, contexts and industry sectors, methodologies, and key strategies and performance indicators in the connection between flexible strategies and supply chain resilience. The findings show that many studies connect flexible strategies to supply chain resilience. However, research gaps exist in analysing relationships between flexible strategies and performance, conducting comparative studies, developing dynamic resilience plans, applying flexible strategies, conducting theoretically grounded empirical studies, and applying multiple analytical tools to develop decision-making models for supply chain resilience. Finally, this study suggests several future research opportunities to advance the research on the topic. The findings can be a benchmark for researchers who are interested in conducting research in the area of flexible strategies and supply chain resilience.

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Introduction

Supply chain management is critical in supplying, producing, and distributing goods and services to consumers and communities. However, any risks, disruptions, and uncertainties at any supply chain stage could make the whole operation vulnerable (Paul et al., 2017 ). The ultimate consequences could include delivery and supply delays, demand unfulfilment, and loss of revenue and business goodwill (Rahman et al., 2022 ). Hence, developing a resilient supply chain to absorb disruptions and keep operations going is important.

Supply chain resilience is defined by the preparedness and ability to respond to recover from and deal with disruptions (Ponis & Koronis, 2012 ; Ribeiro & Barbosa-Povoa, 2018 ; Tukamuhabwa et al., 2015 ). Preparedness means taking proactive actions, such as assessing risk and disruption factors and planning for strategies and resources (Paul & Chowdhury, 2020 ; Rahman et al., 2022 ). Meanwhile, response and recovery are reactive actions. Response includes the ability to quickly and accurately sense the impacts of a disruption and respond to mitigate such impacts (Scholten et al., 2020 ). For example, swiftly accessing alternative suppliers and emergency sources in case of a supply disruption can help mitigate the consequences. Recovery includes the planning and replanning for a future period after the occurrence of a disruption to bring the plan to the normal stage (Paul et al., 2017 ). For example, utilising alternative suppliers and resources to revise the supply chain plan for a certain period after the occurrence of supply disruption mitigates the impacts and helps restore the original plan. Recovery requires a sophisticated plan that utilises appropriate mitigation strategies. Preparedness, response, and recovery are well connected, as response and recovery can be difficult without good preparedness.

The flexible supply chain is a popular concept for managing variability in supply chains (Dhillon et al., 2023 ; Varma et al., 2024 ; Wadhwa et al., 2008 ). Variability includes changes in demand, processing time, lead time, and so on. Supply chain flexible strategies include flexibility in design, supply, manufacturing, transportation, and logistics. It also connects the flexibility of supply chain partners, such as flexible suppliers, manufacturing plants, logistics, and transportation.

Supply chain variabilities are well connected to risks and uncertainties. Flexible strategies can help manage supply chain uncertainties, risks, and variabilities (Tang & Tomlin, 2008 ; Yi et al., 2011 ). For example, utilising multiple suppliers and safety inventory can be useful to mitigate supply risks and uncertainties. The literature shows that flexible strategies effectively build resilient supply chains and can help manage risk and uncertainty and improve supply chain resilience by preparing well and/or enhancing capabilities to respond and recover (Chowdhury et al., 2024 ; Chunsheng et al., 2020 ; Dwivedi et al., 2023 ; Kamalahmadi et al., 2022 ; Kazancoglu et al., 2022 ; Mackay et al., 2020 ; Piprani et al., 2022 ; Rajesh, 2021 ; Sharma et al., 2023 ; Tang & Tomlin, 2008 ).

In the literature, several studies explore the usefulness of flexible strategies to improve supply chain resilience. Moreover, a few review papers exist in the literature which analysed supply chain resilience with drivers, vulnerabilities, risks and impacts, and robustness (Shishodia et al., 2023 ), supply chain resilience strategies (Rahman et al., 2022 ), framework, barriers, and strategies for supply chain resilience (Shashi et al., 2020 ), and recovery ability for supply chain resilience (Mandal, 2014 ). However, a systematic literature review (SLR) and content analysis of previously published papers on flexible strategies and supply chain resilience are non-existent. An SLR and content analysis are very helpful for researchers to understand the progress and development and plan for future research. Accordingly, this review article develops the following research questions (RQs).

RQ1: What contributions have been made in the connection between flexible strategies and supply chain resilience?

RQ2: What are the emerging research opportunities in the area of flexible strategies and supply chain resilience?

To answer the above RQs, this paper investigates flexible strategies and performance indicators for supply chain resilience by conducting an SLR and analysing articles under different themes, such as research area and key findings, context and industry sectors, methodologies, key dimensions, strategies, and performance indicators. Finally, this study also analyses the research gaps and suggests a number of meaningful future research opportunities.

The rest of the paper is organised as follows. Section “ Review Methodologies ” describes the review methodologies. Section “ Analysing Reviewed Articles ” analyses previous articles on flexible strategies for supply chain resilience. Research gaps and future research directions are provided in Sect. “ Research gaps and Future Research Opportunities ”. Finally, Sect. “ Conclusions ” provides conclusions and limitations of the study.

Review Methodologies

In this paper, an SLR process is utilised to analyse the content of the reviewed articles (Tranfield et al., 2003 ). An SLR provides a more accurate literature search and in-depth content analysis than other methods, such as generic and bibliometric reviews. It also helps in the systematic and critical analysis of the content of previously published articles.

In this paper, Scopus was the primary database to identify articles on flexible strategies and performance indicators for supply chain resilience. The following search criteria were used:

Keywords: flexible strategy, supply chain, resilience, performance.

Language: English.

Source type: Journal.

Search timeline: up to 2023.

The initial search using keywords identified a total of 138 articles. After filtering for language and source type, 46 articles were removed and 92 articles remained.

Next, we read the article’s title, abstract, and content and applied inclusion and exclusion criteria to finalise the articles. The inclusion criteria were: (i) articles focused on flexible strategies for different aspects of supply chain resilience, and (ii) both the keywords “flexible” or “flexibility” and “resilience” appeared in the main text. The exclusion criteria were if one or more keywords mentioned in the implications and/or in the reference list were available, but the article did not focus on the flexible strategies in supply chain resilience. After applying inclusion and exclusion criteria, 30 articles were removed and 62 articles remained.

Finally, other databases, such as Google Scholar and Web of Science, were used to search the articles. The reference check was also conducted to ensure that all relevant articles were included in the analysis. These checks did not include any new articles. A total of 62 articles were finalised for the analysis in this review. The review methodology is presented in Fig. 1 .

Review methodology

Analysing Reviewed Articles

This section analyses the finalised articles in key different dimensions, including subject areas, key contributions and findings, contexts of the studies, methodologies used, key sectors (manufacturing or service), different flexible strategies for supply chain resilience, and performance indicators for supply chain resilience.

Key Subject Areas

We analysed the subject areas for the 62 articles. As flexibility and supply chain resilience is a multidisciplinary research area, the articles were expected to contribute to several subject areas. Thus, we observed the common subject areas to be business, management and accounting, engineering, decision sciences, computer science, and social sciences. The key subject areas for the reviewed articles are presented in Fig. 2 .

Key subject areas of the reviewed articles

Key Contributions and Findings of Previous Studies

Over the last few years, many studies have contributed in the area of flexible strategies and supply chain resilience. We observed that eight articles used a literature review approach, while the remaining 54 were technical studies. This section delves into the details of previous contributions and findings.

Previously Published Review Articles

From the systematic review, we identified eight review articles in the area of supply chain resilience. The main contributions and findings of those review articles are summarised in Table 1 . The previous review articles analysed the literature in different supply chain resilience dimensions, including drivers, vulnerabilities, risks and impacts, and robustness (Shishodia et al., 2023 ), resilience strategies (Rahman et al., 2022 ), framework, barriers, and strategies (Shashi et al., 2020 ), and recovery (Mandal, 2014 ). Significant research gaps exist in reviewing the literature on how different flexible strategies are applied to improve supply chain resilience and the potential future research directions. This paper fills these gaps.

Table 1 shows that five articles used a systematic literature review approach, while others used bibliometric analysis and literature review along with expert opinions and conceptual modelling/framework.

Contributions and Findings of Technical Studies

We analysed the contributions and main findings of 54 technical studies and observed the following main areas of study.

Analysing resilience strategies using varieties of methodologies (Kummer et al., 2022 ; Nagariya et al., 2023 ; Purvis et al., 2016 ; Wang et al., 2016 ),

Analysing impacts of strategies on performance (Alvarenga et al., 2023 ; Hamidu et al., 2024 ; Isti’anah et al., 2021 ; Lin et al., 2023 ; Nguyen et al., 2022 ; Xu et al., 2023 ),

Exploring capabilities for supply chain resilience (Faruquee et al., 2023 ; Shweta et al., 2023 ; Um & Han, 2021 ; Zhou et al., 2022 ),

Evaluating critical factors, enablers, and antecedents for supply chain resilience (Das et al., 2022 ; Pu et al., 2023a , 2023b ; Sangari & Dashtpeyma, 2019 ),

Analysing impacts of disruption on supply chains (Ivanov, 2022 ),

Designing/re-designing supply chain networks to improve resilience (Alikhani et al., 2021 ; Carvalho et al., 2012 ; Fattahi et al., 2020 ), and

Selecting suppliers for supply chain resilience (Suryadi & Rau, 2023 ).

The main contributions and findings are summarised in Table 2 .

This section analyses different contexts used in the literature. The contexts include both industry sectors and regions of data collection and applications. We observed that 38 studies used a specific industry context, while 41 papers used a country/regional context in their studies.

Industry Context

Our analysis of the articles shows that both single and multiple sectors have been considered in previous studies. Fourteen studies considered multiple industry sectors, and 24 studies considered a single industry sector. The single industry sectors include maritime (Isti’anah et al., 2021 ; Praharsi et al., 2021 ; Zavitsas et al., 2018 ), food (Li et al., 2022 ; Purvis et al., 2016 ), healthcare (Vimal 2022a ; Shweta et al., 2023 ), and textile and apparel sectors (Fahimnia et al., 2018 ; Nagariya et al., 2023 ). The other single industry sectors are container handling, delivery services, e-commerce of clothing and grocery, industrialised construction, copper industry, retail, ICT industry, automotive, sportswear, and electronic sectors.

Previous studies also considered multiple industry sectors. For example, Alvarenga et al. ( 2023 ) considered multiple sectors, including chemical and petroleum, food and beverage, and machinery sectors. Maharjan and Kato ( 2023 ) considered multiple sectors, including manufacturing, assembly, agricultural machinery parts, apparel business, and trading companies. Zhou et al. ( 2022 ) considered multiple sectors, including electronics and appliances, metals, machinery and engineering, construction materials, textiles, and clothing. Gölgeci and Kuivalainen ( 2020 ) considered multiple sectors, including chemical and pharmaceutical, food and beverage, construction equipment, retail, textile, clothing, and apparel.

Country/Regional Context

Forty-one studies considered a specific country/regional context. Several studies considered global or multiple regions. For example, Alvarenga et al. ( 2023 ) considered a global context, including North America, Europe, Asia, Africa, South America, and Oceania countries. Faruquee et al. ( 2023 ) collected data from the USA and the UK. Das et al. ( 2022 ) collected data from countries in Asia, Europe, and the Americas.

The majority of the studies considered a single country/regional context. Among them, seven studies considered India (Altay et al., 2018 ; Vimal et al., 2022a , 2022b ; Nagariya et al., 2023 ; Rajesh, 2016 ; Shweta et al., 2023 ; Suryawanshi et al., 2021 ), four studies considered Iran (Alikhani et al., 2021 ; Fattahi et al., 2020 ; Moosavi & Hosseini, 2021 ; Suryadi & Rau, 2023 ), three studies considered China (Pu et al., 2023a , 2023b ; Zhu & Wu, 2022 ) and three studies considered Ghana (Hamidu et al., 2023a , 2023b , 2024 ) in the country context.

The details of industry sectors and country/regional contexts are presented in Table 3 .

Methodologies Used

Both qualitative and quantitative methods have been applied to analyse strategies and performance indicators in supply chain resilience. Qualitative methods include literature reviews (see Table 1 ), interviews (Chen et al., 2019 ; Lin et al., 2023 ; Maharjan & Kato, 2023 ; Purvis et al., 2016 ; Silva et al., 2023 ), conceptual modelling (Mackay et al., 2020 ), DMAIC framework (Praharsi et al., 2021 ), and FEWSION for the community resilience process (Ryan et al., 2021 ).

Quantitative methods include structural equation modelling (Alvarenga et al., 2023 ; Gölgeci & Kuivalainen, 2020 ; Pu et al., 2023a , 2023b ; Purvis et al., 2016 ; Um & Han, 2021 ), mathematical programming (Alikhani et al., 2021 ; Mao et al., 2020 ; Mikhail et al., 2019 ; Suryawanshi et al., 2021 ; Zavitsas et al., 2018 ), MCDM methods (Das et al., 2022 ; Shweta et al., 2023 ), simulation (Ivanov, 2022 ; Kummer et al., 2022 ; Moosavi & Hosseini, 2021 ; Tan et al., 2020 ), partial least squares (Altay et al., 2018 ), and regression analysis (Donadoni et al., 2018 ; Trabucco & De Giovanni, 2021 ).

Table 4 provides a summary of the methods used.

Several studies integrated multiple methods such as PLS-SEM (Ekanayake et al., 2021 ; Hamidu et al., 2023a , 2023b ; Nguyen et al., 2022 ), Fuzzy DEMATEL and best–worst method (Shweta et al., 2023 ), analytic hierarchy process and linear programming (Suryadi & Rau, 2023 ), analysis of variance and polynomial regression (Faruquee et al., 2023 ), best–worst method and fuzzy TOPSIS (Vima et al., 2022b ), Delphi method and best–worst method (Nagariya et al., 2023 ), AHP and DEMATEL (Das et al., 2022 ), mixed-integer linear programming and Monte Carlo simulation (Suryawanshi et al., 2021 ), interpretive structural modelling and fuzzy analytical network process (Sangari & Dashtpeyma, 2019 ), and discrete-event simulation and regression analysis (Macdonald et al., 2018 ).

Case studies were combined with other methods in several studies. For example, Purvis et al. ( 2016 ) conducted a case study in the UK’s food and drink sector to analyse supply chain resilience strategies. Maharjan and Kato ( 2023 ) included a case study from Japan’s manufacturing, agricultural, apparel, and trading companies to identify the current resilience status. Lin et al. ( 2023 ) provided a case study from delivery services in the UK to investigate supply chain resilience in responding to disruptions. Silva et al. ( 2023 ) discussed the findings from coffee-producing firms in Brazil to explore the relationship between sustainability and resilience. Carvalho et al. ( 2012 ) explained a case study from the automotive sector in Portugal to analyse the scenario-based design for supply chain resilience.

Key Sectors (Manufacturing or Service)

The reviewed articles show that previous studies considered both the manufacturing and service sectors as the key application areas. Figure 3 provides a summary of key sectors. Figure 3 shows that 49 out of 62 articles considered a sector, with most (35 articles) focusing on the manufacturing sector. Nine studies considered both manufacturing and service sectors, and only five considered the service sector. Sect. “ Contexts ” shows the specific contexts previous studies considered.

Summary of key sectors

Different Flexible Strategies for Supply Chain Resilience

We observed that numerous strategies have been used for supply chain resilience. We have categorised them as supply, manufacturing/operational strategies, transportation and distribution strategies, and supply chain levels.

The most common supply strategies were multiple suppliers/sourcing, improving collaboration with suppliers/partners, backup/alternative suppliers, supplier development, and building trust with suppliers. These strategies help to improve supply chain flexibility and supply chain resilience. For example, multiple suppliers/sourcing includes having multiple suppliers or sources of materials for mitigating risks and disruptions (Ekanayake et al., 2021 ; Mikhail et al., 2019 ; Praharsi et al., 2021 ; Rahman et al., 2022 ). It improves supply flexibility, further allowing for the diversification of the supply base. Similarly, another popular strategy in supply chain resilience is improving collaboration with suppliers/partners. It enhances communication processes, information, and resource sharing and working together to deal with risks and uncertainties in their supply chains (Chen et al., 2019 ; Faruquee et al., 2023 ; Sangari & Dashtpeyma, 2019 ; Silva et al., 2023 ).

Flexible transportation/distribution channels were the most widely applied transportation and distribution strategy. This includes flexible routes, flexible transportation capacities, and multiple distribution channels, spanning online, and physical distributions (Faruquee et al., 2023 ; Hohenstein et al., 2015 ; Massari & Giannoccaro, 2021 ; Suryadi & Rau, 2023 ). This strategy is very effective in improving resilience in transportation and distribution, particularly, and the supply chain, in general. The other flexible strategies included alternative shipment/transportation modes and backup distribution centres.

Strategies such as utilising extra capacity, resource allocation/reallocation, managing the quality of products, and using safety stock were widely applied in manufacturing/operations. Extra capacities in manufacturing plants improve production flexibilities and help mitigate supply and demand uncertainties (Altay et al., 2018 ; Fattahi et al., 2020 ; Rahman et al., 2022 ). Other strategies, such as resource allocation/reallocation, managing the quality of products, and using safety stock, are also effective in dealing with risk and disruption in supply chains and improving business reputation.

In supply chain-level strategies, the common strategies were adopting digital technologies, knowledge/information sharing, business continuity/contingency planning, and multi-skilled labour. The recent studies highlighted that adopting digital technologies at the supply chain level could improve communication, tracking, data analysis, and information processing (Alvarenga et al., 2023 ; Nagariya et al., 2023 ; Nguyen et al., 2022 ; Trabucco & De Giovanni, 2021 ). All these contribute to improving supply chain performance and resilience. Similarly, the literature proved that supply chain-level strategies help improve operational, financial, and reputational performance by enhancing supply chain resilience.

The full list of flexible strategies for supply chain resilience and their categories are presented in Table 5 .

Performance Indicators for Supply Chain Resilience

Supply chain resilience studies have used several performance indicators to measure performance, including financial, operational, reputational, and supply chain performance.

In supply chain resilience, financial performance indicators include cost efficiency, return on investment, market share, sales growth, profit, and return on sales and assets. Cost efficiency is the most significant performance indicator (Alikhani et al., 2021 ; Donadoni et al., 2018 ; Fattahi et al., 2020 ; Nagariya et al., 2023 ). Organisations set their desired price while maintaining the quality of products or services and improving customer satisfaction. Another significant performance indicator is profit (Hohenstein et al., 2015 ; Mikhail et al., 2019 ; Moosavi & Hosseini, 2021 ; Shashi et al., 2020 ). Profit is a goal for organisations to enhance overall performance. Return on investment (Gölgeci & Kuivalainen, 2020 ; Juan & Li, 2023 ; Trabucco & De Giovanni, 2021 ) and market share (Hohenstein et al., 2015 ; Juan & Li, 2023 ; Pu et al., 2023a , 2023b ; Zhou et al., 2022 ) are also used to evaluate organisational performance.

The most common operational performance indicators in supply chain resilience are on-time delivery, demand fulfilment, and enhanced operational efficiency and delivery time. On-time delivery (Rajesh, 2021 ; Shweta et al., 2023 ; Trabucco & De Giovanni, 2021 ) improves the efficiency of business processes and fulfils customer commitment. Customer order processing depends on demand fulfilment. Demand fulfilment (Moosavi & Hosseini, 2021 ; Rajesh, 2021 ; Tan et al., 2020 ) positively impacts the firm’s performance in the competitive market. Enhanced operational efficiency (Praharsi et al., 2021 ) and delivery time (Mao et al., 2020 ) increases customer satisfaction and improves business performance.

In supply chain resilience, reputational performance indicators include customer satisfaction, service-level improvement, customer loyalty, meeting customer satisfaction/request, quality performance, and corporate image. Service-level improvement (Hohenstein et al., 2015 ; Isti’anah et al., 2021 ; Praharsi et al., 2021 ) is one of the most important performance indicators. Maximising service level increases the overall performance of organisations. Customer satisfaction is the second most crucial reputational performance indicator (Gölgeci & Kuivalainen, 2020 ; Zhu & Wu, 2022 ). Customer satisfaction with a product/service enhances organisational reputation.

Resilience performance also depends on supply chain performance indicators such as restoring material flow, quickly moving to a desirable state, lead time reduction, supply chain visibility, recovery time, and response time. Among these indicators, lead time reduction (Donadoni et al., 2018 ; Ivanov, 2022 ; Nagariya et al., 2023 ), recovery time (Altay et al., 2018 ; Singh & Singh, 2019 ), and response time (Altay et al., 2018 ; Faruquee et al., 2023 ) are the significant performance indicators. Lead time reduction minimises the time duration of the product or service process. Reduction of recovery time and response time enhances the efficiency of organisational performance.

Table 6 summarises the list of performance indicators in supply chain resilience.

Mapping of Strategies and Performance Indicators

The literature review shows that flexible strategies are useful in improving supply chain performance. This section explains the mapping between different flexible strategies and performance indications and discusses the strategies that effectively improve or influence performance.

From the literature analysis, we have observed that “improving collaboration with suppliers/partners” influences all major resilience performances, including cost efficiency, return on investment, market share, profit, customer satisfaction, service-level improvement, on-time delivery, demand fulfilment, lead time reduction, recovery time, and response time (Chen et al., 2019 ; Donadoni et al., 2018 ; Faruquee et al., 2023 ; Hohenstein et al., 2015 ; Juan & Li, 2023 ; Ladeira et al., 2021 ; Moosavi & Hosseini, 2021 ; Praharsi et al., 2021 ; Shashi et al., 2020 ; Shweta et al., 2023 ; Suryadi & Rau, 2023 ; Zhou et al., 2022 ; Zhu & Wu, 2022 ).

Similarly, multiple suppliers/sourcing, backup/alternative suppliers, flexible transportation/distribution channels, utilising extra capacity, adopting digital technologies, knowledge/information sharing, and multi-skilled labour are effective in improving resilience performance in supply chain management.

Table 7 provides the mapping between different strategies and their influence on resilience performance indicators.

Research Gaps and Future Research Opportunities

We have observed the following research gaps from the literature review and have suggested future research opportunities.

Relationship Between Strategies and Performance In Supply Chain Resilience

Very few studies analysed the relationship between strategies and performance in supply chain resilience. While a few studies did, they only considered a limited number of strategies and performance indicators (Donadoni et al., 2018 ; Faruquee et al., 2023 ; Gölgeci & Kuivalainen, 2020 ; Isti’anah et al., 2021 ; Juan & Li, 2023 ; Mikhail et al., 2019 ; Nagariya et al., 2023 ; Praharsi et al., 2021 ; Pu et al., 2023a , 2023b ; Shishodia et al., 2023 ; Suryadi & Rau, 2023 ; Trabucco & De Giovanni, 2021 ; Wang et al., 2016 ; Zhou et al., 2022 ). For example, Shishodia et al. ( 2023 ) considered managing product quality, multiple sourcing, demand aggregation, flexible transportation systems, backup suppliers, fortification of partners, and risk sharing as strategies and cost efficiency and lead time reduction as performance indicators. Similar analyses were found in other studies. This makes the literature less comprehensive in analysing the thorough impacts of different strategies, individually and combined, on supply chain resilience performance.

To close this gap and improve the literature, we propose studies to consider the holistic list of strategies and performance indicators (as shown in Sects. “ Different Flexible Strategies for Supply Chain Resilience ” and “ Performance Indicators for Supply Chain Resilience ”) and analyse how major strategies influence major performance indicators in supply chain resilience.

Comparative Studies

There is a significant research gap in the literature regarding comparative studies. Very few studies considered both the manufacturing and service sectors and multiple industry sectors (Alikhani et al., 2021 ; Alvarenga et al., 2023 ; Nguyen et al., 2022 ; Singh & Singh, 2019 ; Zhu & Wu, 2022 ). However, the literature has research gaps for comparative studies between developed and developing economies, large and small and medium enterprises, and their longitudinal analyses. Hence, there is a gap in generalising the findings.

To contribute to this area, we suggest conducting the following studies.

Comparative studies of flexible strategies and/or performance indicators for developed and developing economies.

Comparative studies of flexible strategies and/or performance indicators between large, small, and medium enterprises.

Analysis of findings over time for different economies and enterprises.

Developing models for generalising the findings for different economies and enterprises.

Service Sectors

Service sectors get less attention in the literature even though they are dominant in many countries. Only a few studies considered service sectors (Fattahi et al., 2020 ; Isti’anah et al., 2021 ; Lin et al., 2023 ; Suryawanshi et al., 2021 ). Hence, the literature provided few findings on supply chain resilience and their strategies and performance indicators in service sectors.

We suggest conducting more studies for service sectors, including the analysis of different flexible strategies used by different service sectors and how they influence service performance to improve supply chain resilience.

Dynamic Plans for Supply Chain Resilience

Many studies have developed models and frameworks for analysis strategies and performance indicators in supply chain resilience (Juan & Li, 2023 ; Shishodia et al., 2023 ; Suryadi & Rau, 2023 ). Still, there is a gap in the literature on developing dynamic resilience plans for the changed environment. As risks and disruptions change over time, it is important to change the plan and its flexible strategies to ensure supply chains can deal with the impacts of the changing environment and improve resilience. These types of studies on flexible strategies and supply chain resilience are non-existent in the current literature.

To contribute to this area, we suggest developing the following studies.

Developing dynamic and flexible strategies for supply chain resilience for different disruption scenarios.

Analysing the impacts of dynamic strategies on resilience performance over time.

Developing dynamic supply chain resilience models for preparedness, response, and recovery considering different flexible strategies.

Comparing the findings for different flexible strategies to obtain the most suitable plans for dynamic supply chain resilience plans.

Theoretically Grounded Studies

Few studies developed theoretically grounded empirical models (Alvarenga et al., 2023 ; Gölgeci & Kuivalainen, 2020 ; Juan & Li, 2023 ; Ladeira et al., 2021 ; Pu et al., 2023a , 2023b ; Singh & Singh, 2019 ; Um & Han, 2021 ; Zhou et al., 2022 ; Zhu & Wu, 2022 ). However, there is a gap in the literature in relation to applying emergent theories such as the awareness–motivation–capability framework.

In the future, we propose considering theories from multiple disciplines to develop and test models to analyse the impacts of flexible strategies on supply chain resilience, including in dynamic and changed environments.

Analytical Studies

According to the literature review, different studies applied different analytical tools, such as mathematical programming and simulation approaches (Alikhani et al., 2021 ; Fattahi et al., 2020 ; Ivanov, 2022 ; Kummer et al., 2022 ; Mikhail et al., 2019 ; Pu et al., 2023a , 2023b ; Zavitsas et al., 2018 ). Integrating multiple analytical tools improves the quality of findings and the decision-making process in supply chain management. The flexible strategies and supply chain resilience literature has a gap in relation to integrating multiple analytical tools for analysing strategies and performance indicators.

In future, we propose applying multiple analytical tools to develop decision-making models for practitioners. We also suggest dividing the studies into different sections, applying analytical tools and connecting them again to improve the quality of findings.

Conclusions

The main objective of this study was to critically review the existing studies that considered flexible strategies for supply chain resilience. To fulfil this objective, we applied an SLR technique and analysed 62 related studies in the domain of contributions and findings, research contexts and business sectors, methodologies, different flexible strategies and performance indicators, and relationship mapping between flexible strategies and performance indicators.

The main contributions of this study are: (i) conducting an SLR in flexible strategies for supply chain resilience, which has not yet been explored in the literature, (ii) critically analysing the existing studies and presenting the findings, and (iii) proposing future research directions based on the identified research gaps.

The main findings indicated that more research is needed to analyse holistic relationships between flexible strategies and supply chain performance. Moreover, the service sector should be studied more, as it has been widely ignored in the literature thus far. Future research should also consider developing dynamic resilience plans using flexible strategies. Finally, more theoretically grounded and analytical studies should be conducted in the area of flexible strategies and supply chain resilience.

However, this review article has some limitations. First, we consider only journal articles published until 2023 and written in English. Second, the scope of the study was limited to flexible strategies and performance indicators used in the area of supply chain resilience. In the future, the timeline of published articles and the scope of the study can be further broadened. As this SLR paper provided a critical review, a summary of existing studies, and significant future research directions, the findings of the study can be used as a benchmark for future research in flexible strategies for supply chain resilience.

Key Questions

What contributions have been made in the connection between flexible strategies and supply chain resilience?

What are the emerging research opportunities in the area of flexible strategies and supply chain resilience?

There is no funding for this article.

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Paul, A., Saha, S.C. A Systematic Literature Review on Flexible Strategies and Performance Indicators for Supply Chain Resilience. Glob J Flex Syst Manag (2024). https://doi.org/10.1007/s40171-024-00415-x

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Published: 05 September 2024

Components and entities of post-disaster damage and loss assessment program in healthcare sector: a scoping review

Javad Miri ORCID: orcid.org/0000-0003-1464-6788 1 ,
Golrokh Atighechian ORCID: orcid.org/0000-0003-3290-2765 2 ,
Hesam Seyedin ORCID: orcid.org/0000-0001-5614-4052 3 &
Ahmad Reza Raeisi ORCID: orcid.org/0000-0001-8588-4340 4

BMC Public Health volume 24 , Article number: 2417 ( 2024 ) Cite this article

Metrics details

Disasters can cause casualties and significant financial loss. In accordance with the Sendai Framework for Disaster Risk Reduction, areas affected by disasters must be built back better. Accurate post-disaster damage and loss assessments are critical for the success of recovery programs. This scoping review aimed to identify the components and entities of the healthcare sector’s post-disaster damage and loss assessment program.

An comprehensive search for relevant literature was performed using several databases, including the Web of Science, PubMed, Scopus, ProQuest, and Magiran. The search was limited to papers published between 2010 and 2022. In addition, we searched the grey literature for resources related to post-disaster damage and loss assessments. Study selection and data extraction were evaluated by a third reviewer. The main themes were determined through a consensus process and agreement among team members.

A total of 845 papers were identified, 41 of which were included in the review. The grey literature search yielded 1015 documents, 23 of which were associated with the study’s purpose. The findings were classified into five main themes, 20 subthemes, and 876 codes. The main-themes include the following: Concepts and Definitions; Post-Disaster Damage and Loss Assessment Procedures; Healthcare sector procedures; Assessments Tools, and Methods; Intra-sectoral, Inter-sectoral, and cross-cutting issues.

Conclusions

The existing corpus of literature on post-disaster damage and loss assessment programs within the healthcare sector offers only limited insights into the entities and components involved. It is of great importance that stakeholders have an extensive grasp of these pivotal concepts and principles, as they are fundamental in enabling effective responses to disasters, informed decision-making, and facilitating rehabilitation and reconstruction efforts. Consequently, there is a considerable scope for further investigation in this area.

Scoping review registration number

https://osf.io/nj3fk .

Peer Review reports

Introduction

The most significant consequences of disasters are health impacts that occur in the aftermath [ 1 ]. Natural disasters such as earthquakes and floods not only have a detrimental impact on an individual’s health but also result in significant damage to the healthcare sector, reducing its capacity to respond and recover effectively. This, in turn, leads to a rise in mortality and morbidity rates [ 2 , 3 ]. Disasters directly damage the physical structure of hospitals, clinics, and healthcare centers and indirectly affect the health sector by destroying community infrastructure, such as water, electricity, fuel, transportation, and communication systems. Additionally, disasters can impact healthcare providers and their families [ 4 , 5 ].

Providing essential health services is challenging during disasters because of infrastructure failure and the inefficiency of healthcare centres [ 6 ]. It is evident that the health centres play a pivotal role in alleviating the negative consequences that arise in the aftermath of disasters. Therefore, it is of paramount importance to ensure the uninterrupted functioning of this vital infrastructures [ 7 , 8 , 9 ]. Comprehending the health consequences of disasters provides the basis for identifying demands, improving capacity, and providing opportunities for reconstruction and future disaster risk reduction [ 10 ].

The convergence of four seminal accords on disaster risk reduction, development finance, sustainable development, and climate change at the end of 2015 presented a singularly promising opportunity to achieve coherence across related policy domains. The Sendai Framework for Disaster Risk Reduction represents the global policy framework of the United Nations from 2015 to 2030. This represents a significant advance in global policy coherence concerning health, development, and climate change [ 11 , 12 , 13 ]. One of the principal objectives of the Sendai Framework is to enhance disaster preparedness for an effective response and “build back better“(BBB) in recovery [ 14 ].

The scope of disaster recovery is broader than that of response. In the context of the health system, recovery is defined as the reconstruction, restoration, and upgrading of the components of a country’s health sector and the main functions of public health, in accordance with the BBB principle and the goals of sustainable development [ 15 ]. For an optimal reconstruction, it is necessary to develop a legal, technical, and comprehensive framework. The success of a reconstruction program depends on an accurate assessment of the damage, loss, and needs of the post-disaster area to determine the approaches, goals, priorities, and measures required for reconstruction [ 2 ].

The post-disaster reconstruction of the health system in developing countries is hindered by some factors, including a lack of knowledge and expertise, limited budget and planning, political competition, fraud, and embezzlement or misuse of social benefits [ 3 , 16 ]. Considering the argument of ‘humanitarian ignorance’, In light of the argument put forth by scholars who refer to this phenomenon as “humanitarian ignorance,“ [ 17 ], it can be argued that this “knowledge” does exist and that it is purposeful ignorance of said knowledge.

In 2008, the European Union, World Bank, and United Nations Development Group implemented a standard post-disaster assessment approach and developed a comprehensive and collaborative post-disaster assessment program [ 18 ]. In damage and loss assessments, experts in each sector calculate post-disaster damage and loss, which are essential in reconstruction programs [ 19 , 20 ].

Chapin et al. (2009) studied the impact of the 2007 Ica earthquake on healthcare facilities in southern Peru. They reported that after an earthquake of magnitude 7.9 in Peru, 60% of the health centers in the region were affected to the degree that they were unable to provide client services. This study revealed that reports of damage assessments in a single disaster were sometimes not the same [ 21 ]. Achour et al. (2020) evaluated hospital performance after the 2016 Kumamoto Earthquake in Japan. Data analysis revealed that the impaired function of some healthcare centers in the affected areas significantly affected the health needs of the local communities [ 22 ].

Similar to other social sectors, the disaster impacts on the healthcare sector is considerable and is one of the concerns of managers and experts in the healthcare sector. In light of the pivotal role of the health sector in post-disaster response and recovery, as well as in the development of a post-disaster reconstruction program, it is crucial to conduct a thorough assessment of damage and losses incurred following a disaster. A post-disaster damage and loss assessment in the health sector can serve as a foundation for the creation of a coherent and integrated framework for health reconstruction. The absence of a post-disaster damage and loss assessment program may result in certain requirements being overlooked, the results of which are not deemed acceptable, facilities being allocated on a non-prioritized basis, and there being no basis for monitoring the implementation of plans and activities. Assessment is a demanding and decisive management task that is effective in decision-making, planning, monitoring, handling a program, and taking coherent actions. Post-disaster damage and loss assessment has a direct impact on decision-making, planning, monitoring of responses, and the implementation of recovery operations. Consequently, these assessments must be purposeful and scheduled.

Review objective and research questions

This scoping review was conducted to identify the entities and components of post-disaster damage and loss assessment programs in the healthcare sector. The PCC framework, which includes the participants, concepts, and context recommended by the Joanna Briggs Institute, was used to develop the research question [ 23 ]. The research question for this scoping review is as follows: what information is available about the entities and components of the healthcare sector’s post-disaster damage and loss assessment program?

A knowledge gap exists in the field of post-disaster damage and loss assessment in the healthcare sector. To address this issue, the most appropriate methodology for achieving the study’s objective was identified as a scoping review. This systematic scoping review was conducted under the proposed Joanna Briggs Institute method [ 24 ]. The study included the following steps: defining and aligning the research objectives and questions, developing the inclusion and exclusion criteria, describing the planned approach to the evidence search, study selection, data extraction, presentation of the evidence, searching for evidence, selecting the evidence, extracting the evidence, analyzing the evidence, presenting the results, and summarizing the evidence [ 23 ]. The study protocol was registered in the Open Science Framework on 4 June 2022 [ 25 ] and was published in BMJ Open [ 26 ]. The Preferred Reporting Items for Systematic Reviews extension for Scoping Reviews (PRISMA-ScR Checklist 1) [ 27 ] checklist was used to report the results of this scoping review.

Inclusion and exclusion criteria

In keeping with the scoping review methodology, our inclusion criteria (Table 1 ) were broad, and our search was comprehensive in capturing the entities and components of the healthcare sector’s post-disaster damage and loss assessment program. We included literature reviews, primary empirical articles, case studies, opinion pieces, and editorials published in English or Persian “due to geographical focus, and researcher language skills”. In addition, grey literature related to the study objective, including dissertations, organizational documents, post-disaster assessment reports, and guidelines, was searched and reviewed. Table 2 presents a distribution of studies by location, organization, and document type.

Search strategy

The search strategy was drafted with the help of an experienced informaticist librarian and was further refined through team discussion. Initially, a primary search was conducted on the Google Scholar, PubMed, World Bank, and PreventionWeb websites. The following concepts were extracted from the documents: post-conflict consequences in health systems, disaster impacts on the healthcare sector, post-disaster damage and loss assessment, post-earthquake hospital functionality, post-disaster damage and loss assessment, disaster damage, operational status of healthcare facilities during a hurricane, and the impacts of extreme events. An appropriate search strategy was used for each database (Table 3 ).

Study selection

We searched all English and Persian articles published from 2010 to 2022 on the Web of Science, PubMed, Scopus, ProQuest, Google Scholar, and Magiran databases. Our search started on 20 January 2022. The search results were imported into Endnote X9 software. After removing the duplicates, J. Miri checked all the remaining titles to remove unrelated documents. The titles and abstracts of the remaining articles were independently examined by two authors (J. Miri and A.R. Raeisi) to reach a common understanding of the selection criteria, discussion of disagreements, and definition of the inclusion and exclusion criteria. The remaining articles were uploaded to Rayyan software to facilitate record screening. The full texts of articles whose abstracts did not meet the exclusion criteria or were ambiguous were reviewed. Discrepancies in inclusion or exclusion decisions were resolved through discussion (G. Atighechian). Finally, the reference lists were checked to identify relevant studies. In the grey literature search, researchers also investigated organizations’ websites related to disaster management, such as the UNDP, World Bank, UNDRR, International Recovery Platform, PreventionWeb, WHO, and FEMA. (Fig. 1 )

Adapted from the PRISMA 2020 flow diagram from Page et al. [ 47 ].

PRISMA flow diagram of the scoping review process.

Data extraction

Supplementary Tables 1 and 2 show the characteristics of the articles and grey literature discussed in this study. General information (title, authors, publication year, study location, and key findings) regarding the questions addressed in this scoping review was extracted from the selected studies. Two independent reviewers extracted all relevant information and any discrepancies were resolved through discussion.

Data analysis and presentation

The documents were organized and analyzed by the researchers using the MAXQDA 2020 software. The data analysis strategy employed at this juncture was a thematic analysis approach. Thematic analysis is a valuable approach for elucidating experiences, thoughts, or behaviors within a data set. Additionally, researchers have proposed that thematic analysis is an optimal analytical method for novice qualitative researchers due to its transparent and straightforward procedures [ 28 , 29 ].

The search of the related electronic databases led to the identification of 845 articles. After removing the duplicates, 826 studies remained. The titles were screened, and 102 potentially eligible articles were selected. The simultaneous title and abstract review by two independent reviewers led to the selection of 80 articles that were uploaded to Rayyan software. Finally, 41 articles were selected for full-text review. The grey literature search identified 1015 documents, reports, manuals, and guidelines based on the inclusion and exclusion criteria and the study objectives, and 23 documents were selected for review.

Researchers have classified resources into five categories: articles, books, dissertations, policy documents, and reports. Studies have been conducted in different countries, half of which have been published in the last five years. The findings were categorized into five main themes, 20 subthemes, and 876 codes according to the research objectives and questions. The main themes, subthemes, and some related codes are presented in (Table 4 ).

This study provides a comprehensive perspective on post-disaster damage and loss assessment in the healthcare sector. To achieve a common understanding of post-disaster damage and loss assessment in the healthcare sector, the researchers first collected definitions and related concepts. Then, organized concepts related to damage and loss assessment teams, damage and loss assessment stages, data collection elements, assessment tools, and programs. The paper concludes with a discussion of the linkages between the healthcare sector and other sectors affected by disasters.

The health system comprises a wide range of organizations, institutions, groups, and individuals in governmental and nongovernmental sectors that policy, produce resources, finance, and provide health services to restore, promote, and maintain public health [ 30 ]. According to the WHO framework, the health system comprises six building blocks; service delivery, health workforce, information, medical products, vaccines and technologies, financing, leadership, and governance [ 31 , 32 ]. The realization and promotion of community health and fair cooperation in providing resources are crucial goals of the health system and are considered fundamental in most countries [ 33 ].

The continuity of services is critical in some businesses, such as those in the healthcare sector. However, these trends can be disrupted by disasters [ 34 ]. Achour et al. (2020) evaluated hospital performance after the 2016 Kumamoto Earthquake in Japan. The occurrence of this event resulted in a disruption to the continuity of healthcare services. The investigation revealed that the primary causes of the disruption were damage to the infrastructure, including buildings, critical systems, and medical equipment. The results of the study indicated a 15% reduction in healthcare functionality in the affected regions [ 22 ]. In the study by Gufue et al. (2024), the direct economic loss to the health system caused by war-related looting or vandalism in the Tigray region of Northern Ethiopia was quantified in excess of $511 million. The assessment revealed that 80.6% of health posts, 73.6% of health centres, 80% of primary hospitals, 83.3% of general hospitals and two specialized hospitals were damaged and/or vandalized either fully or in part due to the war [ 35 ]. Therefore, a disaster recovery plan in the healthcare sector is essential for providing necessary measures and minimizing disaster consequences, And international frameworks such as Sendai play an important role in this regard and emphasize the need to develop and implement measures for disaster risk reduction and vulnerability [ 36 , 37 ].

For reconstruction, a reliable post-disaster damage and loss assessment method is required. The diversity of approaches and assessment-related outputs have led to various challenges. A significant obstacle to post-disaster damage and loss assessment is access to consistent, dependable, and detailed data on the impact of disasters. Establishing guidelines for reporting post-disaster damage and loss assessments is necessary to help national and regional institutions collect information in a structured manner [ 38 ]. Accurate data on disaster damage and losses are crucial for effective risk management, including loss accounting, disaster forensics, and risk analysis [ 39 ]. Assessment information is pivotal for effective policy development, resource allocation, and disaster preparedness [ 40 ]. We can improve disaster management and link disaster management science to disaster risk reduction policymaking by using these data [ 38 ].

In the Kermanshah Earthquake Lessons Learned study conducted by Khankeh et al. (2018) in Iran, it was recommended that a standard protocol be established for the receipt of reports from disaster locations in the initial days and weeks following an earthquake. Moreover, the establishment of rapid assessment teams at the local, regional, and national levels, with specific guidelines, was considered a crucial step [ 41 ]. The composition of the assessment team depends on the sector to be assessed. Healthcare sector assessment teams from different disciplines, including public health experts, physicians, epidemiologists, architects, civil engineers, and health economists, can estimate the value of production losses [ 18 , 31 , 42 ].

The post-disaster damage and loss assessment methodology includes pre-disaster baseline data collection, disaster effects, impact analysis, recovery needs estimation, and strategies that recommend appropriate interventions, implementation arrangements, and policies [ 43 ]. Documentation of damage and loss assessments should begin as soon as possible after a disaster [ 44 ]. A post-disaster damage and loss assessment report is a live document that is revised as better data become available [ 45 ]. Post-disaster damage and loss assessment reports should differ according to the assessment stage and type of disaster [ 46 ].

There is the fact that all societies and countries are susceptible to disasters. The primary responsibility for disaster and emergency management is affected by local communities and countries. After a disaster, the healthcare sector faces multiple hazards, limited resources for dealing with them, and high expectations regarding their performance. Multiple stakeholders engage in post-disaster damage and loss assessments and their interventions are guided by various damage and loss assessment methods. Such variations in techniques and related assessment outputs challenge the comparability across assessments and often present conflicting images. Despite the long history of reconstruction in Iran, there are numerous challenges in assessing post-disaster damage and loss. Therefore, there is a need to develop a set of post-disaster damage and loss assessment frameworks, including methodologies and guidelines, for the healthcare sector.

Limited scientific resources for disaster damage assessment in the healthcare sector, access to imperative content, and documentation in the country were limitations of this study. As with all scoping reviews, we did not formally evaluate the quality of the evidence, and because of the varying nature of the studies, only a limited synthesis of results was possible.

In light of the pivotal role of the post-disaster healthcare sector, it is of the utmost importance to develop appropriate post-disaster damage and loss assessment programme that can be adapted to different socio-cultural contexts and varying resources. To date, there have been few studies that have discussed the entities and components of disaster damage and loss assessment programme in the healthcare sector. It was, however, determined that identifying the entities and components of the healthcare sector’s post-disaster damage and loss assessment program was a necessary step for advancing the healthcare sector in Iran. This review offers a detailed examination of post-disaster damage and loss assessment programs within the healthcare sector.

Data availability

All data generated or analysed during this study are included in this published article [and its supplementary information files].

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Acknowledgements

The authors express their gratitude to the Vice Chancellor for Research and Technology at Isfahan University of Medical Sciences for financial support.

This work was supported by the Vice-Chancellery of Research and Technology at Isfahan University of Medical Sciences, Isfahan, Iran [grant no. 3400686].

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Department of Health in Disaster and Emergencies, School of Health Management and Information Sciences, University of Medical Sciences, Tehran, Iran

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J. Miri contributed to study design, title, abstract and full-text screening, data extraction, data analysis, writing the first draft of the manuscript, and subsequent revisions of the manuscript. A.R. Raeisi contributed to study design, literature search and project management. G. Atighechian was also involved in drafting the abstract, full-text screening, data extraction and writing the manuscript at all stages. H. Seyedin contributed to the study design and drafting of the manuscript. All authors critically revised the manuscript and approved the final version for submission.

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Correspondence to Ahmad Reza Raeisi .

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Miri, J., Atighechian, G., Seyedin, H. et al. Components and entities of post-disaster damage and loss assessment program in healthcare sector: a scoping review. BMC Public Health 24 , 2417 (2024). https://doi.org/10.1186/s12889-024-19523-5

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