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Field Experiment in Sociology: Concept, Methodology, and Applications

Field experiments are a critical methodological approach in sociology that allows researchers to study social phenomena in natural settings while maintaining control over the experimental conditions. This method bridges the gap between the control typically afforded by laboratory experiments and the realism of observational studies. Field experiments are particularly valuable in sociology for testing theories about social behavior and interactions in real-world environments. This essay outlines the concept of a field experiment, discusses its methodology, and explores its applications and significance in the field of sociology.

Conceptual Framework

A field experiment involves the manipulation of variables in a natural setting to observe the effects on a specific outcome. Unlike laboratory experiments, field experiments are conducted in the environments where participants naturally occur, which may include places like schools, workplaces, or public areas. This setting ensures that the behavior observed is more likely to reflect real-world behaviors, providing insights that are often more generalizable.

Methodology of Field Experiments

The methodology of conducting a field experiment in sociology involves several key steps:

• Hypothesis Formation : The process begins with the formulation of a hypothesis based on existing theories or preliminary observations. This hypothesis predicts how changes in an in dependent variable (manipulated by the researcher) will affect a dependent variable.
• Randomized Controlled Trials (RCTs) : Participants are randomly assigned to either the treatment or control group to ensure that any differences observed can be attributed to the intervention itself.
• Before-and-After Studies : Measurements are taken both before and after the intervention on the same participants to see changes over time.
• Quasi-Experimental Designs : These are used when random assignment is not possible. Researchers rely on existing natural divisions in the study population.
• Selection of Participants : Participants are selected to represent the broader population. In some cases, the entire setting (like a specific community or organization) becomes part of the experiment.
• Implementation of the Treatment : The independent variable is manipulated as per the experimental design. For example, introducing a new educational curriculum in a school to see its effect on student performance.
• Data Collection and Analysis : Data are collected on the outcomes of interest. Statistical methods are then used to analyze the data to determine if the changes in the independent variable have had a statistically significant effect on the dependent variable.
• Ethical Considerations : Field experiments must adhere to strict ethical guidelines, particularly regarding consent, potential harm, and the privacy of participants.

Applications in Sociological Research

Field experiments have a broad range of applications in sociology, including:

• Social Norms and Compliance : Researchers might manipulate environmental cues or norms to see how they affect compliance with social behaviors, such as recycling or adherence to public policies.
• Education and Socialization : Field experiments can test the effects of different educational interventions on student outcomes, helping to identify effective teaching practices.
• Labor Market Dynamics : Interventions such as resume modification can be used to study discrimination in hiring practices.
• Health and Social Policies : Introducing health interventions in a community and observing changes in health behaviors or outcomes.

Strengths and Limitations

Field experiments offer several strengths, including high external validity due to the naturalistic setting, the ability to infer causality by controlling for confounding variables, and the practical application of sociological theories. However, they also face limitations:

• Control over Variables : While offering more control than natural observations, field experiments cannot control for all external variables like a lab experiment.
• Ethical and Practical Challenges : Manipulating environments and behaviors can raise ethical concerns, and obtaining genuine consent in natural settings can be complex.
• Cost and Complexity : Field experiments can be expensive and logistically complex to design and execute, especially in larger settings.

Field experiments are a dynamic and robust methodological approach in sociology that allows researchers to study complex social phenomena in natural settings. By carefully designing and conducting these experiments, sociologists can provide valuable insights into human behavior and social structures, ultimately contributing to more effective policies and interventions. Despite their challenges, the depth and applicability of the data derived from field experiments make them an indispensable tool in the sociologist’s toolkit. As social contexts and technologies evolve, the methods and applications of field experiments in sociology will continue to expand, offering even greater opportunities for discovery and social improvement.

Mr Edwards has a PhD in sociology and 10 years of experience in sociological knowledge

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• A-Z Publications

Annual Review of Sociology

Volume 43, 2017, review article, field experiments across the social sciences.

• Delia Baldassarri 1 , and Maria Abascal 2
• View Affiliations Hide Affiliations Affiliations: 1 Department of Sociology, New York University, New York, New York 10012; email: [email protected] 2 Department of Sociology, Columbia University, New York, New York 10027; email: [email protected]
• Vol. 43:41-73 (Volume publication date July 2017) https://doi.org/10.1146/annurev-soc-073014-112445
• First published as a Review in Advance on May 22, 2017
• © Annual Reviews

Using field experiments, scholars can identify causal effects via randomization while studying people and groups in their naturally occurring contexts. In light of renewed interest in field experimental methods, this review covers a wide range of field experiments from across the social sciences, with an eye to those that adopt virtuous practices, including unobtrusive measurement, naturalistic interventions, attention to realistic outcomes and consequential behaviors, and application to diverse samples and settings. The review covers four broad research areas of substantive and policy interest: first, randomized controlled trials, with a focus on policy interventions in economic development, poverty reduction, and education; second, experiments on the role that norms, motivations, and incentives play in shaping behavior; third, experiments on political mobilization, social influence, and institutional effects; and fourth, experiments on prejudice and discrimination. We discuss methodological issues concerning generalizability and scalability as well as ethical issues related to field experimental methods. We conclude by arguing that field experiments are well equipped to advance the kind of middle-range theorizing that sociologists value.

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Experiments

Experiments are not a common research method in sociology as it is very difficult to control variables. The idea of an experiment is that – whether in a laboratory or in the field – phenomena are observed in a tightly-controlled environment, to see the impact of certain variables. It is easier to control variables and achieve a more reliable result in a laboratory situation, but such a situation lacks validity, as it does not resemble real life.The Hawthorne Effect is also relevant because people are likely to behave differently because they know they are being observed. Although those who want sociology to be scientific are likely to favour the idea of experiments, human agency or free will means that it is very difficult to imagine a sufficiently controlled environment for a successful sociological experiment.

Experiments from other disciplines, such as psychology, do find their way into sociological discourse, such as Bandura's Bobo Doll experiment, which some sociologists use to support the hypodermic needle model of media influence.

Rosenthal and Jacobson's study of the self-fulfilling prophecy is an example of a sociological experiment (but one conducted in "the field" rather than in a laboratory).

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Chapter 2: Sociological Research

Research methods: experiments, learning outcomes.

• Describe and give examples of how sociologists utilize experiments

Experiments

You’ve probably tested some of your own theories: “If I study at night and review in the morning, I’ll improve my retention skills.” Or, “If I stop drinking soda, I’ll feel better.” Cause and effect. If this, then that. Causation is difficult to establish, so even if we seem to find evidence in our own lives that appears to prove our hypotheses, this is not sociological research nor is it evidence of causation. Sociologists set up specific studies in controlled environments in order to examine relationships between variables. Some studies are correlational, meaning they examine how two variables change together, while others are experimental, meaning they use controlled conditions to attempt to explain cause and effect. The primary difference between our everyday observations and sociological research is the systematic approach researchers use to collect data.

E xperiments aim to measure the relationship of the independent variable to the dependent variable, and the researcher or research team will attempt to control all other variables in the experimental process. This is often done in a lab-based setting, but can also be done as a field experiment. As discussed in the section on ethics, there are many considerations to address before  any  experimental work can occur. Sociologists must obtain approval from a review board (sometimes called an Internal Review Board or IRB) before they commence any type of sociological experiment.

Lab Settings

In a lab setting, the research can be controlled so that perhaps more data can be recorded in a certain amount of time. To set up a lab-based experiment, sociologists create artificial situations that allow them to manipulate variables. Classically, the sociologist selects a set of people with similar characteristics, such as age, class, race, or education. Those people are divided into two groups. One is the experimental group and the other is the control group. The experimental group is exposed to the independent variable(s) and the control group is not. This is similar to pharmaceutical drug trials in which the experimental group is given the test drug and the control group is given a placebo or sugar pill. To test the benefits of tutoring, for example, the sociologist might expose the experimental group of students to tutoring while the control group does not receive tutoring. Then both groups would be tested for differences in performance to see if tutoring had an effect on the experimental group of students. As you can imagine, in a case like this, the researcher would not want to jeopardize the accomplishments of either group of students, so the setting would be somewhat artificial. The test would not be for a grade reflected on their permanent record, for example.

The Stanford Prison Experiment is perhaps one of the most famous sociological experiments ever conducted. In 1971, 24 healthy, middle-class male university students were selected to take part in a simulated jail environment to examine the effects of social setting and social roles on individual psychology and behavior. They were randomly divided into 12 guards and 12 prisoners. The prisoner subjects were arrested at home and transported blindfolded to the simulated prison in the basement of the psychology building on the campus of Stanford University. Within a day of arriving the prisoners and the guards began to display signs of trauma and sadism, respectively. After some prisoners revolted by blockading themselves in their cells, the guards resorted to using increasingly humiliating and degrading tactics to control the prisoners through psychological manipulation. The experiment had to be abandoned after only six days because the abuse had gotten out of hand (Haney, Banks, and Zimbardo, 1973).

While the insights into the social dynamics of authoritarianism it generated were fascinating, the Stanford Prison Experiment also serves as an example of the ethical issues that emerge when experimenting on human subjects and the types of emotional harm that subjects can endure as a result of participating in research. Additionally, this classic experiment, which is cited in most sociology and psychology textbooks, has recently been called out as being “theatre” rather than rigorous science. Some social scientists have even provided evidence to show that Zimbardo and his team coached research subjects into being cruel (guards) and dramatic (prisoners). The experiment has also been criticized for its small sample size and unrepresentative sample population.

Natural or Field-Based Experiments

In a natural or field-based experiment, the generation of data cannot be controlled, but the information might be considered more accurate since it was collected without interference or intervention by the researcher. As a research method, either type of sociological experiment is useful for testing if-then statements: if a particular thing happens, then another particular thing will result.

Sociologists Devah Pager, Bruce Western, and Bart Bonikowski wanted to examine discrimination in the low-wage job market. They recruited white, black, and Latino “testers,” who were assigned equivalent resumés and who were matched on a variety of characteristics such as age, education, physical appearance, and interpersonal skills. The testers applied to real job openings and recorded responses from employers. Because black and white testers were sent to the same firms, and testers were matched on a wide variety of characteristics, “much of the unexplained variation that confounds residual estimates of discrimination [was] experimentally controlled”  [1]  The testers were college-educated males that comprised field teams that included a white, Latino, and black tester; the Latino testers spoke in unaccented English and were U.S. citizens of Puerto Rican descent and claimed no Spanish language ability. They also examined the effect of a criminal record (felony drug offense) for different racial groups in job applications, building upon Pager’s research in 2003. Some resumés included a checked box to indicate a felony conviction and also listed prison labor as part of the applicant’s employment history. The teams applied for 340 real entry-level jobs throughout New York City over nine months in 2004.

As with many of the most insightful sociological studies, Pager, Western & Bonikowski included qualitative data based on the testers’ interactions with employers, which provided a rich supplement to the empirical data acquired through this field experiment. Like Matthew Desmond’s multi-method approach to evictions (empirical— secondary resources; interpretive—ethnography), we see a similar approach here (empirical—field experiment; interpretive—testers’ narratives of interactions with employers). In this study, blacks were only half as likely to receive a callback or job offer, and whites, blacks, and Latinos with clean criminal backgrounds were no more likely to receive a callback as a white applicant just released from prison. Moreover, the testers did not perceive any signs of clear prejudice (Pager, Western, & Bonikowski, 2009).

Sociologists have long been interested in inequality and discrimination. Read the study below to see how one sociology professor sent her students to the field.

An Experiment in Action

Figure 1. Sociologist Frances Heussenstamm conducted an experiment to explore the correlation between traffic stops and race-based bumper stickers. This issue of racial profiling remains a hot-button topic today. (Photo courtesy of dwightsghost/flickr)

A real-life example will help illustrate the experiment process. In 1971, Frances Heussenstamm, a sociology professor at California State University, Los Angeles, had a theory about police prejudice. To test her theory she conducted an experiment. She chose fifteen students from three ethnic backgrounds: black, white, and Latino. She chose students who routinely drove to and from campus along Los Angeles freeway routes, and who’d had perfect driving records for longer than a year. Those were her control variables—students, good driving records, same commute route. These students signed all had safe, up-to-date cars and signed a pledge to drive safely.

Next, she placed a Black Panther bumper sticker on each car. That sticker, a representation of a social value, was the independent variable. Founded in Oakland, California in 1966, the Black Panthers were a revolutionary African-American group actively fighting racism. Heussenstamm asked the students to follow their normal driving patterns. She wanted to see whether seeming to support the Black Panthers would change how these good drivers were treated by the police patrolling the highways (the dependent variable).

The first citation, for an incorrect lane change, was made two hours after the experiment began. One participant was pulled over three times in three days. He quit the study. After seventeen days, the fifteen drivers had collected a total of thirty-three traffic citations and the funding to pay traffic fines had run out. The experiment was halted (Heussenstamm 1971).

Think It Over

• Do the findings in the Pager, Western & Bonikowski field experiment surprise you? Why or why not? In what ways can studies about discrimination inform public policy?
• What kinds of ethical issues are present in Heussenstamm’s experiment? Were some students at greater risk than others? How do you think the experiences of each group (black, white, and Latino) differed? Do you think gender would influence the interaction between student and police officer?
• Imagine your sociology professor asked you to place a “Black Lives Matter” bumper sticker on your vehicle and asked you to sign an informed consent before participating in the study. Would you do it? Why or why not? How does geographic location and personal identity affect one’s experience and potential risk factors?
• Pager, D., Western, B. and B. Bonikowski. 2009. “Discrimination in a Low-Wage Labor Market:  A Field Experiment.” American Sociological Review. Vol. 74 (October:  777-799). ↵

2.2 Research Methods

Learning objectives.

By the end of this section, you should be able to:

• Recall the 6 Steps of the Scientific Method
• Differentiate between four kinds of research methods: surveys, field research, experiments, and secondary data analysis.
• Explain the appropriateness of specific research approaches for specific topics.

Sociologists examine the social world, see a problem or interesting pattern, and set out to study it. They use research methods to design a study. Planning the research design is a key step in any sociological study. Sociologists generally choose from widely used methods of social investigation: primary source data collection such as survey, participant observation, ethnography, case study, unobtrusive observations, experiment, and secondary data analysis , or use of existing sources. Every research method comes with plusses and minuses, and the topic of study strongly influences which method or methods are put to use. When you are conducting research think about the best way to gather or obtain knowledge about your topic, think of yourself as an architect. An architect needs a blueprint to build a house, as a sociologist your blueprint is your research design including your data collection method.

When entering a particular social environment, a researcher must be careful. There are times to remain anonymous and times to be overt. There are times to conduct interviews and times to simply observe. Some participants need to be thoroughly informed; others should not know they are being observed. A researcher wouldn’t stroll into a crime-ridden neighborhood at midnight, calling out, “Any gang members around?”

Making sociologists’ presence invisible is not always realistic for other reasons. That option is not available to a researcher studying prison behaviors, early education, or the Ku Klux Klan. Researchers can’t just stroll into prisons, kindergarten classrooms, or Klan meetings and unobtrusively observe behaviors or attract attention. In situations like these, other methods are needed. Researchers choose methods that best suit their study topics, protect research participants or subjects, and that fit with their overall approaches to research.

As a research method, a survey collects data from subjects who respond to a series of questions about behaviors and opinions, often in the form of a questionnaire or an interview. The survey is one of the most widely used scientific research methods. The standard survey format allows individuals a level of anonymity in which they can express personal ideas.

At some point, most people in the United States respond to some type of survey. The 2020 U.S. Census is an excellent example of a large-scale survey intended to gather sociological data. Since 1790, United States has conducted a survey consisting of six questions to received demographical data pertaining to residents. The questions pertain to the demographics of the residents who live in the United States. Currently, the Census is received by residents in the United Stated and five territories and consists of 12 questions.

Not all surveys are considered sociological research, however, and many surveys people commonly encounter focus on identifying marketing needs and strategies rather than testing a hypothesis or contributing to social science knowledge. Questions such as, “How many hot dogs do you eat in a month?” or “Were the staff helpful?” are not usually designed as scientific research. The Nielsen Ratings determine the popularity of television programming through scientific market research. However, polls conducted by television programs such as American Idol or So You Think You Can Dance cannot be generalized, because they are administered to an unrepresentative population, a specific show’s audience. You might receive polls through your cell phones or emails, from grocery stores, restaurants, and retail stores. They often provide you incentives for completing the survey.

Sociologists conduct surveys under controlled conditions for specific purposes. Surveys gather different types of information from people. While surveys are not great at capturing the ways people really behave in social situations, they are a great method for discovering how people feel, think, and act—or at least how they say they feel, think, and act. Surveys can track preferences for presidential candidates or reported individual behaviors (such as sleeping, driving, or texting habits) or information such as employment status, income, and education levels.

A survey targets a specific population , people who are the focus of a study, such as college athletes, international students, or teenagers living with type 1 (juvenile-onset) diabetes. Most researchers choose to survey a small sector of the population, or a sample , a manageable number of subjects who represent a larger population. The success of a study depends on how well a population is represented by the sample. In a random sample , every person in a population has the same chance of being chosen for the study. As a result, a Gallup Poll, if conducted as a nationwide random sampling, should be able to provide an accurate estimate of public opinion whether it contacts 2,000 or 10,000 people.

After selecting subjects, the researcher develops a specific plan to ask questions and record responses. It is important to inform subjects of the nature and purpose of the survey up front. If they agree to participate, researchers thank subjects and offer them a chance to see the results of the study if they are interested. The researcher presents the subjects with an instrument, which is a means of gathering the information.

A common instrument is a questionnaire. Subjects often answer a series of closed-ended questions . The researcher might ask yes-or-no or multiple-choice questions, allowing subjects to choose possible responses to each question. This kind of questionnaire collects quantitative data —data in numerical form that can be counted and statistically analyzed. Just count up the number of “yes” and “no” responses or correct answers, and chart them into percentages.

Questionnaires can also ask more complex questions with more complex answers—beyond “yes,” “no,” or checkbox options. These types of inquiries use open-ended questions that require short essay responses. Participants willing to take the time to write those answers might convey personal religious beliefs, political views, goals, or morals. The answers are subjective and vary from person to person. How do you plan to use your college education?

Some topics that investigate internal thought processes are impossible to observe directly and are difficult to discuss honestly in a public forum. People are more likely to share honest answers if they can respond to questions anonymously. This type of personal explanation is qualitative data —conveyed through words. Qualitative information is harder to organize and tabulate. The researcher will end up with a wide range of responses, some of which may be surprising. The benefit of written opinions, though, is the wealth of in-depth material that they provide.

An interview is a one-on-one conversation between the researcher and the subject, and it is a way of conducting surveys on a topic. However, participants are free to respond as they wish, without being limited by predetermined choices. In the back-and-forth conversation of an interview, a researcher can ask for clarification, spend more time on a subtopic, or ask additional questions. In an interview, a subject will ideally feel free to open up and answer questions that are often complex. There are no right or wrong answers. The subject might not even know how to answer the questions honestly.

Questions such as “How does society’s view of alcohol consumption influence your decision whether or not to take your first sip of alcohol?” or “Did you feel that the divorce of your parents would put a social stigma on your family?” involve so many factors that the answers are difficult to categorize. A researcher needs to avoid steering or prompting the subject to respond in a specific way; otherwise, the results will prove to be unreliable. The researcher will also benefit from gaining a subject’s trust, from empathizing or commiserating with a subject, and from listening without judgment.

Surveys often collect both quantitative and qualitative data. For example, a researcher interviewing people who are incarcerated might receive quantitative data, such as demographics – race, age, sex, that can be analyzed statistically. For example, the researcher might discover that 20 percent of incarcerated people are above the age of 50. The researcher might also collect qualitative data, such as why people take advantage of educational opportunities during their sentence and other explanatory information.

The survey can be carried out online, over the phone, by mail, or face-to-face. When researchers collect data outside a laboratory, library, or workplace setting, they are conducting field research, which is our next topic.

Field Research

The work of sociology rarely happens in limited, confined spaces. Rather, sociologists go out into the world. They meet subjects where they live, work, and play. Field research refers to gathering primary data from a natural environment. To conduct field research, the sociologist must be willing to step into new environments and observe, participate, or experience those worlds. In field work, the sociologists, rather than the subjects, are the ones out of their element.

The researcher interacts with or observes people and gathers data along the way. The key point in field research is that it takes place in the subject’s natural environment, whether it’s a coffee shop or tribal village, a homeless shelter or the DMV, a hospital, airport, mall, or beach resort.

While field research often begins in a specific setting , the study’s purpose is to observe specific behaviors in that setting. Field work is optimal for observing how people think and behave. It seeks to understand why they behave that way. However, researchers may struggle to narrow down cause and effect when there are so many variables floating around in a natural environment. And while field research looks for correlation, its small sample size does not allow for establishing a causal relationship between two variables. Indeed, much of the data gathered in sociology do not identify a cause and effect but a correlation .

Sociology in the Real World

Beyoncé and lady gaga as sociological subjects.

Sociologists have studied Lady Gaga and Beyoncé and their impact on music, movies, social media, fan participation, and social equality. In their studies, researchers have used several research methods including secondary analysis, participant observation, and surveys from concert participants.

In their study, Click, Lee & Holiday (2013) interviewed 45 Lady Gaga fans who utilized social media to communicate with the artist. These fans viewed Lady Gaga as a mirror of themselves and a source of inspiration. Like her, they embrace not being a part of mainstream culture. Many of Lady Gaga’s fans are members of the LGBTQ community. They see the “song “Born This Way” as a rallying cry and answer her calls for “Paws Up” with a physical expression of solidarity—outstretched arms and fingers bent and curled to resemble monster claws.”

Sascha Buchanan (2019) made use of participant observation to study the relationship between two fan groups, that of Beyoncé and that of Rihanna. She observed award shows sponsored by iHeartRadio, MTV EMA, and BET that pit one group against another as they competed for Best Fan Army, Biggest Fans, and FANdemonium. Buchanan argues that the media thus sustains a myth of rivalry between the two most commercially successful Black women vocal artists.

Participant Observation

In 2000, a comic writer named Rodney Rothman wanted an insider’s view of white-collar work. He slipped into the sterile, high-rise offices of a New York “dot com” agency. Every day for two weeks, he pretended to work there. His main purpose was simply to see whether anyone would notice him or challenge his presence. No one did. The receptionist greeted him. The employees smiled and said good morning. Rothman was accepted as part of the team. He even went so far as to claim a desk, inform the receptionist of his whereabouts, and attend a meeting. He published an article about his experience in The New Yorker called “My Fake Job” (2000). Later, he was discredited for allegedly fabricating some details of the story and The New Yorker issued an apology. However, Rothman’s entertaining article still offered fascinating descriptions of the inside workings of a “dot com” company and exemplified the lengths to which a writer, or a sociologist, will go to uncover material.

Rothman had conducted a form of study called participant observation , in which researchers join people and participate in a group’s routine activities for the purpose of observing them within that context. This method lets researchers experience a specific aspect of social life. A researcher might go to great lengths to get a firsthand look into a trend, institution, or behavior. A researcher might work as a waitress in a diner, experience homelessness for several weeks, or ride along with police officers as they patrol their regular beat. Often, these researchers try to blend in seamlessly with the population they study, and they may not disclose their true identity or purpose if they feel it would compromise the results of their research.

At the beginning of a field study, researchers might have a question: “What really goes on in the kitchen of the most popular diner on campus?” or “What is it like to be homeless?” Participant observation is a useful method if the researcher wants to explore a certain environment from the inside.

Field researchers simply want to observe and learn. In such a setting, the researcher will be alert and open minded to whatever happens, recording all observations accurately. Soon, as patterns emerge, questions will become more specific, observations will lead to hypotheses, and hypotheses will guide the researcher in analyzing data and generating results.

In a study of small towns in the United States conducted by sociological researchers John S. Lynd and Helen Merrell Lynd, the team altered their purpose as they gathered data. They initially planned to focus their study on the role of religion in U.S. towns. As they gathered observations, they realized that the effect of industrialization and urbanization was the more relevant topic of this social group. The Lynds did not change their methods, but they revised the purpose of their study.

This shaped the structure of Middletown: A Study in Modern American Culture , their published results (Lynd & Lynd, 1929).

The Lynds were upfront about their mission. The townspeople of Muncie, Indiana, knew why the researchers were in their midst. But some sociologists prefer not to alert people to their presence. The main advantage of covert participant observation is that it allows the researcher access to authentic, natural behaviors of a group’s members. The challenge, however, is gaining access to a setting without disrupting the pattern of others’ behavior. Becoming an inside member of a group, organization, or subculture takes time and effort. Researchers must pretend to be something they are not. The process could involve role playing, making contacts, networking, or applying for a job.

Once inside a group, some researchers spend months or even years pretending to be one of the people they are observing. However, as observers, they cannot get too involved. They must keep their purpose in mind and apply the sociological perspective. That way, they illuminate social patterns that are often unrecognized. Because information gathered during participant observation is mostly qualitative, rather than quantitative, the end results are often descriptive or interpretive. The researcher might present findings in an article or book and describe what he or she witnessed and experienced.

This type of research is what journalist Barbara Ehrenreich conducted for her book Nickel and Dimed . One day over lunch with her editor, Ehrenreich mentioned an idea. How can people exist on minimum-wage work? How do low-income workers get by? she wondered. Someone should do a study . To her surprise, her editor responded, Why don’t you do it?

That’s how Ehrenreich found herself joining the ranks of the working class. For several months, she left her comfortable home and lived and worked among people who lacked, for the most part, higher education and marketable job skills. Undercover, she applied for and worked minimum wage jobs as a waitress, a cleaning woman, a nursing home aide, and a retail chain employee. During her participant observation, she used only her income from those jobs to pay for food, clothing, transportation, and shelter.

She discovered the obvious, that it’s almost impossible to get by on minimum wage work. She also experienced and observed attitudes many middle and upper-class people never think about. She witnessed firsthand the treatment of working class employees. She saw the extreme measures people take to make ends meet and to survive. She described fellow employees who held two or three jobs, worked seven days a week, lived in cars, could not pay to treat chronic health conditions, got randomly fired, submitted to drug tests, and moved in and out of homeless shelters. She brought aspects of that life to light, describing difficult working conditions and the poor treatment that low-wage workers suffer.

The book she wrote upon her return to her real life as a well-paid writer, has been widely read and used in many college classrooms.

Ethnography

Ethnography is the immersion of the researcher in the natural setting of an entire social community to observe and experience their everyday life and culture. The heart of an ethnographic study focuses on how subjects view their own social standing and how they understand themselves in relation to a social group.

An ethnographic study might observe, for example, a small U.S. fishing town, an Inuit community, a village in Thailand, a Buddhist monastery, a private boarding school, or an amusement park. These places all have borders. People live, work, study, or vacation within those borders. People are there for a certain reason and therefore behave in certain ways and respect certain cultural norms. An ethnographer would commit to spending a determined amount of time studying every aspect of the chosen place, taking in as much as possible.

A sociologist studying a tribe in the Amazon might watch the way villagers go about their daily lives and then write a paper about it. To observe a spiritual retreat center, an ethnographer might sign up for a retreat and attend as a guest for an extended stay, observe and record data, and collate the material into results.

Institutional Ethnography

Institutional ethnography is an extension of basic ethnographic research principles that focuses intentionally on everyday concrete social relationships. Developed by Canadian sociologist Dorothy E. Smith (1990), institutional ethnography is often considered a feminist-inspired approach to social analysis and primarily considers women’s experiences within male- dominated societies and power structures. Smith’s work is seen to challenge sociology’s exclusion of women, both academically and in the study of women’s lives (Fenstermaker, n.d.).

Historically, social science research tended to objectify women and ignore their experiences except as viewed from the male perspective. Modern feminists note that describing women, and other marginalized groups, as subordinates helps those in authority maintain their own dominant positions (Social Sciences and Humanities Research Council of Canada n.d.). Smith’s three major works explored what she called “the conceptual practices of power” and are still considered seminal works in feminist theory and ethnography (Fensternmaker n.d.).

Sociological Research

The making of middletown: a study in modern u.s. culture.

In 1924, a young married couple named Robert and Helen Lynd undertook an unprecedented ethnography: to apply sociological methods to the study of one U.S. city in order to discover what “ordinary” people in the United States did and believed. Choosing Muncie, Indiana (population about 30,000) as their subject, they moved to the small town and lived there for eighteen months.

Ethnographers had been examining other cultures for decades—groups considered minorities or outsiders—like gangs, immigrants, and the poor. But no one had studied the so-called average American.

Recording interviews and using surveys to gather data, the Lynds objectively described what they observed. Researching existing sources, they compared Muncie in 1890 to the Muncie they observed in 1924. Most Muncie adults, they found, had grown up on farms but now lived in homes inside the city. As a result, the Lynds focused their study on the impact of industrialization and urbanization.

They observed that Muncie was divided into business and working class groups. They defined business class as dealing with abstract concepts and symbols, while working class people used tools to create concrete objects. The two classes led different lives with different goals and hopes. However, the Lynds observed, mass production offered both classes the same amenities. Like wealthy families, the working class was now able to own radios, cars, washing machines, telephones, vacuum cleaners, and refrigerators. This was an emerging material reality of the 1920s.

As the Lynds worked, they divided their manuscript into six chapters: Getting a Living, Making a Home, Training the Young, Using Leisure, Engaging in Religious Practices, and Engaging in Community Activities.

When the study was completed, the Lynds encountered a big problem. The Rockefeller Foundation, which had commissioned the book, claimed it was useless and refused to publish it. The Lynds asked if they could seek a publisher themselves.

Middletown: A Study in Modern American Culture was not only published in 1929 but also became an instant bestseller, a status unheard of for a sociological study. The book sold out six printings in its first year of publication, and has never gone out of print (Caplow, Hicks, & Wattenberg. 2000).

Nothing like it had ever been done before. Middletown was reviewed on the front page of the New York Times. Readers in the 1920s and 1930s identified with the citizens of Muncie, Indiana, but they were equally fascinated by the sociological methods and the use of scientific data to define ordinary people in the United States. The book was proof that social data was important—and interesting—to the U.S. public.

Sometimes a researcher wants to study one specific person or event. A case study is an in-depth analysis of a single event, situation, or individual. To conduct a case study, a researcher examines existing sources like documents and archival records, conducts interviews, engages in direct observation and even participant observation, if possible.

Researchers might use this method to study a single case of a foster child, drug lord, cancer patient, criminal, or rape victim. However, a major criticism of the case study as a method is that while offering depth on a topic, it does not provide enough evidence to form a generalized conclusion. In other words, it is difficult to make universal claims based on just one person, since one person does not verify a pattern. This is why most sociologists do not use case studies as a primary research method.

However, case studies are useful when the single case is unique. In these instances, a single case study can contribute tremendous insight. For example, a feral child, also called “wild child,” is one who grows up isolated from human beings. Feral children grow up without social contact and language, which are elements crucial to a “civilized” child’s development. These children mimic the behaviors and movements of animals, and often invent their own language. There are only about one hundred cases of “feral children” in the world.

As you may imagine, a feral child is a subject of great interest to researchers. Feral children provide unique information about child development because they have grown up outside of the parameters of “normal” growth and nurturing. And since there are very few feral children, the case study is the most appropriate method for researchers to use in studying the subject.

At age three, a Ukranian girl named Oxana Malaya suffered severe parental neglect. She lived in a shed with dogs, and she ate raw meat and scraps. Five years later, a neighbor called authorities and reported seeing a girl who ran on all fours, barking. Officials brought Oxana into society, where she was cared for and taught some human behaviors, but she never became fully socialized. She has been designated as unable to support herself and now lives in a mental institution (Grice 2011). Case studies like this offer a way for sociologists to collect data that may not be obtained by any other method.

Experiments

You have probably tested some of your own personal social theories. “If I study at night and review in the morning, I’ll improve my retention skills.” Or, “If I stop drinking soda, I’ll feel better.” Cause and effect. If this, then that. When you test the theory, your results either prove or disprove your hypothesis.

One way researchers test social theories is by conducting an experiment , meaning they investigate relationships to test a hypothesis—a scientific approach.

There are two main types of experiments: lab-based experiments and natural or field experiments. In a lab setting, the research can be controlled so that more data can be recorded in a limited amount of time. In a natural or field- based experiment, the time it takes to gather the data cannot be controlled but the information might be considered more accurate since it was collected without interference or intervention by the researcher.

As a research method, either type of sociological experiment is useful for testing if-then statements: if a particular thing happens (cause), then another particular thing will result (effect). To set up a lab-based experiment, sociologists create artificial situations that allow them to manipulate variables.

Classically, the sociologist selects a set of people with similar characteristics, such as age, class, race, or education. Those people are divided into two groups. One is the experimental group and the other is the control group. The experimental group is exposed to the independent variable(s) and the control group is not. To test the benefits of tutoring, for example, the sociologist might provide tutoring to the experimental group of students but not to the control group. Then both groups would be tested for differences in performance to see if tutoring had an effect on the experimental group of students. As you can imagine, in a case like this, the researcher would not want to jeopardize the accomplishments of either group of students, so the setting would be somewhat artificial. The test would not be for a grade reflected on their permanent record of a student, for example.

And if a researcher told the students they would be observed as part of a study on measuring the effectiveness of tutoring, the students might not behave naturally. This is called the Hawthorne effect —which occurs when people change their behavior because they know they are being watched as part of a study. The Hawthorne effect is unavoidable in some research studies because sociologists have to make the purpose of the study known. Subjects must be aware that they are being observed, and a certain amount of artificiality may result (Sonnenfeld 1985).

A real-life example will help illustrate the process. In 1971, Frances Heussenstamm, a sociology professor at California State University at Los Angeles, had a theory about police prejudice. To test her theory, she conducted research. She chose fifteen students from three ethnic backgrounds: Black, White, and Hispanic. She chose students who routinely drove to and from campus along Los Angeles freeway routes, and who had had perfect driving records for longer than a year.

Next, she placed a Black Panther bumper sticker on each car. That sticker, a representation of a social value, was the independent variable. In the 1970s, the Black Panthers were a revolutionary group actively fighting racism. Heussenstamm asked the students to follow their normal driving patterns. She wanted to see whether seeming support for the Black Panthers would change how these good drivers were treated by the police patrolling the highways. The dependent variable would be the number of traffic stops/citations.

The first arrest, for an incorrect lane change, was made two hours after the experiment began. One participant was pulled over three times in three days. He quit the study. After seventeen days, the fifteen drivers had collected a total of thirty-three traffic citations. The research was halted. The funding to pay traffic fines had run out, and so had the enthusiasm of the participants (Heussenstamm, 1971).

Secondary Data Analysis

While sociologists often engage in original research studies, they also contribute knowledge to the discipline through secondary data analysis . Secondary data does not result from firsthand research collected from primary sources, but are the already completed work of other researchers or data collected by an agency or organization. Sociologists might study works written by historians, economists, teachers, or early sociologists. They might search through periodicals, newspapers, or magazines, or organizational data from any period in history.

Using available information not only saves time and money but can also add depth to a study. Sociologists often interpret findings in a new way, a way that was not part of an author’s original purpose or intention. To study how women were encouraged to act and behave in the 1960s, for example, a researcher might watch movies, televisions shows, and situation comedies from that period. Or to research changes in behavior and attitudes due to the emergence of television in the late 1950s and early 1960s, a sociologist would rely on new interpretations of secondary data. Decades from now, researchers will most likely conduct similar studies on the advent of mobile phones, the Internet, or social media.

Social scientists also learn by analyzing the research of a variety of agencies. Governmental departments and global groups, like the U.S. Bureau of Labor Statistics or the World Health Organization (WHO), publish studies with findings that are useful to sociologists. A public statistic like the foreclosure rate might be useful for studying the effects of a recession. A racial demographic profile might be compared with data on education funding to examine the resources accessible by different groups.

One of the advantages of secondary data like old movies or WHO statistics is that it is nonreactive research (or unobtrusive research), meaning that it does not involve direct contact with subjects and will not alter or influence people’s behaviors. Unlike studies requiring direct contact with people, using previously published data does not require entering a population and the investment and risks inherent in that research process.

Using available data does have its challenges. Public records are not always easy to access. A researcher will need to do some legwork to track them down and gain access to records. To guide the search through a vast library of materials and avoid wasting time reading unrelated sources, sociologists employ content analysis , applying a systematic approach to record and value information gleaned from secondary data as they relate to the study at hand.

Also, in some cases, there is no way to verify the accuracy of existing data. It is easy to count how many drunk drivers, for example, are pulled over by the police. But how many are not? While it’s possible to discover the percentage of teenage students who drop out of high school, it might be more challenging to determine the number who return to school or get their GED later.

Another problem arises when data are unavailable in the exact form needed or do not survey the topic from the precise angle the researcher seeks. For example, the average salaries paid to professors at a public school is public record. But these figures do not necessarily reveal how long it took each professor to reach the salary range, what their educational backgrounds are, or how long they’ve been teaching.

When conducting content analysis, it is important to consider the date of publication of an existing source and to take into account attitudes and common cultural ideals that may have influenced the research. For example, when Robert S. Lynd and Helen Merrell Lynd gathered research in the 1920s, attitudes and cultural norms were vastly different then than they are now. Beliefs about gender roles, race, education, and work have changed significantly since then. At the time, the study’s purpose was to reveal insights about small U.S. communities. Today, it is an illustration of 1920s attitudes and values.

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8 Famous Social Experiments

A social experiment is a type of research performed in psychology to investigate how people respond in certain social situations. 

In many of these experiments, the experimenters will include confederates who are people who act like regular participants but who are actually acting the part. Such experiments are often used to gain insight into social psychology phenomena.

Do people really stop to appreciate the beauty of the world? How can society encourage people to engage in healthy behaviors? Is there anything that can be done to bring peace to rival groups?

Social psychologists have been tackling questions like these for decades, and some of the results of their experiments just might surprise you.

Robbers Cave Social Experiment

Why do conflicts tend to occur between different groups? According to psychologist Muzafer Sherif, intergroup conflicts tend to arise from competition for resources, stereotypes, and prejudices. In a controversial experiment, the researchers placed 22 boys between the ages of 11 and 12 in two groups at a camp in the Robbers Cave Park in Oklahoma.

The boys were separated into two groups and spent the first week of the experiment bonding with their other group members. It wasn't until the second phase of the experiment that the children learned that there was another group, at which point the experimenters placed the two groups in direct competition with each other.

This led to considerable discord, as the boys clearly favored their own group members while they disparaged the members of the other group. In the final phase, the researchers staged tasks that required the two groups to work together. These shared tasks helped the boys get to know members of the other group and eventually led to a truce between the rivals.  

The 'Violinist in the Metro' Social Experiment

In 2007, acclaimed violinist Josh Bell posed as a street musician at a busy Washington, D.C. subway station. Bell had just sold out a concert with an average ticket price of $100 each.

He is one of the most renowned musicians in the world and was playing on a handcrafted violin worth more than $3.5 million. Yet most people scurried on their way without stopping to listen to the music. When children would occasionally stop to listen, their parents would grab them and quickly usher them on their way.

The experiment raised some interesting questions about how we not only value beauty but whether we truly stop to appreciate the remarkable works of beauty that are around us.

The Piano Stairs Social Experiment

How can you get people to change their daily behavior and make healthier choices? In one social experiment sponsored by Volkswagen as part of their Fun Theory initiative, making even the most mundane activities fun can inspire people to change their behavior.

In the experiment, a set of stairs was transformed into a giant working keyboard. Right next to the stairs was an escalator, so people were able to choose between taking the stairs or taking the escalator. The results revealed that 66% more people took the stairs instead of the escalator.  

Adding an element of fun can inspire people to change their behavior and choose the healthier alternative.

The Marshmallow Test Social Experiment

During the late 1960s and early 1970s, a psychologist named Walter Mischel led a series of experiments on delayed gratification. Mischel was interested in learning whether the ability to delay gratification might be a predictor of future life success.

In the experiments, children between the ages of 3 and 5 were placed in a room with a treat (often a marshmallow or cookie). Before leaving the room, the experimenter told each child that they would receive a second treat if the first treat was still on the table after 15 minutes.  

Follow-up studies conducted years later found that the children who were able to delay gratification did better in a variety of areas, including academically. Those who had been able to wait the 15 minutes for the second treat tended to have higher SAT scores and more academic success (according to parent surveys).  

The results suggest that this ability to wait for gratification is not only an essential skill for success but also something that forms early on and lasts throughout life.

The Smoky Room Social Experiment

If you saw someone in trouble, do you think you would try to help? Psychologists have found that the answer to this question is highly dependent on the number of other people present. We are much more likely to help when we are the only witness but much less likely to lend a hand when we are part of a crowd.

The phenomenon came to the public's attention after the gruesome murder of a young woman named Kitty Genovese. According to the classic tale, while multiple people may have witnessed her attack, no one called for help until it was much too late.

This behavior was identified as an example of the bystander effect , or the failure of people to take action when there are other people present. (In reality, several witnesses did immediately call 911, so the real Genovese case was not a perfect example of the bystander effect.)  

In one classic experiment, researchers had participants sit in a room to fill out questionnaires. Suddenly, the room began to fill with smoke. In some cases the participant was alone, in some there were three unsuspecting participants in the room, and in the final condition, there was one participant and two confederates.

In the situation involving the two confederates who were in on the experiment, these actors ignored the smoke and went on filling out their questionnaires. When the participants were alone, about three-quarters of the participants left the room calmly to report the smoke to the researchers.

In the condition with three real participants, only 38% reported the smoke. In the final condition where the two confederates ignored the smoke, a mere 10% of participants left to report the smoke.   The experiment is a great example of how much people rely on the responses of others to guide their actions.

When something is happening, but no one seems to be responding, people tend to take their cues from the group and assume that a response is not required.

Carlsberg Social Experiment

Have you ever felt like people have judged you unfairly based on your appearance? Or have you ever gotten the wrong first impression of someone based on how they looked? Unfortunately, people are all too quick to base their decisions on snap judgments made when they first meet people.

These impressions based on what's on the outside sometimes cause people to overlook the characteristics and qualities that lie on the inside. In one rather amusing social experiment, which actually started out as an advertisement , unsuspecting couples walked into a crowded movie theater.

All but two of the 150 seats were already full. The twist is that the 148 already-filled seats were taken by a bunch of rather rugged and scary-looking male bikers. What would you do in this situation? Would you take one of the available seats and enjoy the movie, or would you feel intimidated and leave?

In the informal experiment, not all of the couples ended up taking a seat, but those who eventually did were rewarded with cheers from the crowd and a round of free Carlsberg beers.

The exercise served as a great example of why people shouldn't always judge a book by its cover.

Halo Effect Social Experiment

In an experiment described in a paper published in 1920, psychologist Edward Thorndike asked commanding officers in the military to give ratings of various characteristics of their subordinates.

Thorndike was interested in learning how impressions of one quality, such as intelligence, bled over onto perceptions of other personal characteristics, such as leadership, loyalty, and professional skill.   Thorndike discovered that when people hold a good impression of one characteristic, those good feelings tend to affect perceptions of other qualities.

For example, thinking someone is attractive can create a halo effect that leads people also to believe that a person is kind, smart, and funny.   The opposite effect is also true. Negative feelings about one characteristic lead to negative impressions of an individual's other features.

When people have a good impression of one characteristic, those good feelings tend to affect perceptions of other qualities.

False Consensus Social Experiment

During the late 1970s, researcher Lee Ross and his colleagues performed some eye-opening experiments.   In one experiment, the researchers had participants choose a way to respond to an imagined conflict and then estimate how many people would also select the same resolution.

They found that no matter which option the respondents chose, they tended to believe that the vast majority of other people would also choose the same option. In another study, the experimenters asked students on campus to walk around carrying a large advertisement that read "Eat at Joe's."

The researchers then asked the students to estimate how many other people would agree to wear the advertisement. They found that those who agreed to carry the sign believed that the majority of people would also agree to carry the sign. Those who refused felt that the majority of people would refuse as well.

The results of these experiments demonstrate what is known in psychology as the false consensus effect .

No matter what our beliefs, options, or behaviors, we tend to believe that the majority of other people also agree with us and act the same way we do.

A Word From Verywell

Social psychology is a rich and varied field that offers fascinating insights into how people behave in groups and how behavior is influenced by social pressures. Exploring some of these classic social psychology experiments can provide a glimpse at some of the fascinating research that has emerged from this field of study.

Frequently Asked Questions

An example of a social experiment might be one that investigates the halo effect, a phenomenon in which people make global evaluations of other people based on single traits. An experimenter might have participants interact with people who are either average looking or very beautiful, and then ask the respondents to rate the individual on unrelated qualities such as intelligence, skill, and kindness. The purpose of this social experiment would be to seek if more attractive people are also seen as being smarter, more capable, and nicer.

The Milgram obedience experiment is one of the most famous social experiments ever performed. In the experiment, researchers instructed participants to deliver what they believed was a painful or even dangerous electrical shock to another person. In reality, the person pretending to be shocked was an actor and the electrical shocks were simply pretend. Milgram's results suggested that as many as 65% of participants would deliver a dangerous electrical shock because they were ordered to do so by an authority figure.

A social experiment is defined by its purpose and methods. Such experiments are designed to study human behavior in a social context. They often involved placing participants in a controlled situation in order to observe how they respond to certain situation or events. 

A few ideas for simple social experiments might involve:

• Stand in a crowd and stare at a random spot on the ground to see if other people will stop to also look
• Copy someone's body language and see how they respond
• Stand next to someone in an elevator even if there is plenty of space to stand elsewhere
• Smile at people in public and see how many smile back
• Give random strangers a small prize and see how they respond

Sherif M. Superordinate goals in the reduction of intergroup conflict . American Journal of Sociology . 1958;63(4):349-356. doi:10.1086/222258

Peeters M, Megens C, van den Hoven E, Hummels C, Brombacher A. Social Stairs: Taking the Piano Staircase towards long-term behavioral change . In: Berkovsky S, Freyne J, eds. Lecture Notes in Computer Science . Vol 7822. Springer, Berlin, Heidelberg; 2013. doi:10.1007/978-3-642-37157-8_21

Mischel W, Ebbeson EB, Zeiss A. Cognitive and attentional mechanisms in delay of gratification . Journal of Personality and Social Psychology. 1972;21(2):204–218. doi:10.1037/h0032198

Mischel W, Shoda Y, Peake PK. Predicting adolescent cognitive and self-regulatory competencies from preschool delay of gratification: Identifying diagnostic conditions . Developmental Psychology. 1990;26(6):978-986. doi:10.1037/0012-1649.26.6.978

Benderly, BL. Psychology's tall tales . gradPSYCH Magazine . 2012;9:20.

Latane B, Darley JM. Group inhibition of bystander intervention in emergencies . Journal of Personality and Social Psychology. 1968;10(3):215-221. doi:10.1037/h0026570

Thorndike EL. A constant error in psychological ratings . Journal of Applied Psychology. 1920;4(1):25-29. doi:10.1037/h0071663

Talamas SN, Mayor KI, Perrett DI.  Blinded by beauty: Attractiveness bias and accurate perceptions of academic performance.   PLoS One . 2016;11(2):e0148284. doi:10.1371/journal.pone.0148284

Ross, L, Greene, D, & House, P. The "false consensus effect": An egocentric bias in social perception and attribution processes . Journal of Experimental Social Psychology . 1977;13(3):279-301. doi:10.1016/0022-1031(77)90049-X

By Kendra Cherry, MSEd Kendra Cherry, MS, is a psychosocial rehabilitation specialist, psychology educator, and author of the "Everything Psychology Book."

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The 'what if?' question followed by an action to trace cause and effect is classified as an experiment.

' What if I pour water on the sand? ' would be an experiment question for a young natural scientist. ' What if I disobeyed my teacher? ' would be an experiment question to a young social scientist.

In the Research Design article, we briefly touched upon the nature of the experimental research design . Researchers begin their investigations with a hypothesis that must be tested.

Once we have a hypothesis, we can test it using an experiment. Therefore, we will be looking at:

• The definition of experiments, what they are and the types of experiments there are
• Laboratory experiments, famous examples and their advantages and disadvantages
• Field experiments, famous examples and their advantages and disadvantages
• The differences between laboratory and field experiments
• Ethnographic research

There's a lot to get through, so let's start!

Experiments in Sociology: examples and types

An experiment is a research method used in experimental research design. It uses the scientific method and seeks to establish a cause-effect relationship between two variables by testing a hypothesis . In sociology , we test the relationship between social phenomena.

Experiments typically produce quantitative results. However, if it is a social experiment, it could also yield qualitative data.

One of the key factors that affect experiments is location. An experiment can either occur in controlled laboratory conditions or the field .

Norman Triplett conducted one of the first known experiments in 1895, focusing on social facilitation. He observed that cyclists tend to perform better when cycling in the presence of someone else, as opposed to cycling alone. He recreated this effect in his laboratory experiment, where he demonstrated how children complete a task faster when working in pairs than when working individually.

However, before we consider the differences in experiment locations, we need to assess the extent to which researchers exercise control over them. Researchers distinguish between natural and controlled experiments.

A natural experiment is an empirical or observational study in which researchers do not artificially manipulate the variables of interest. Instead, they can be influenced by nature or factors outside the researchers' control.

On the other hand, a controlled experiment is one in which the independent variable is manually manipulated to see if it will influence the dependent variable and cause it to change. This eliminates any alternative explanations of observed relationships and traces a direct cause-effect .

We will now look at two types of experiments: laboratory and field experiments.

Laboratory Experiments in Sociology

These are experiments that take place in controlled environments and aim to use the scientific method to test a specific hypothesis. This is then used to find a cause-and-effect relationship between two variables.

Proponents of the positivist research philosophy advocate controlled laboratory experiments because that is the only way to ensure that the relationship being tested is not affected by any external factors.

They define the relationship between factors using mathematical terms: dependent and independent variables.

A variable is a factor in an experiment that may be subject to change.

• A dependent variable is the subject of the study, for example, fluency in Spanish.
• An independent variable is being manipulated to see the effect on the dependent variable. For example, using a native Spanish speaker and a native English speaker to teach Spanish to ascertain if there is a difference between Spanish language attainment under different teachers.

Randomised controlled trials

The most well-known example of lab experiments is randomised controlled trials (RCTs), which are commonly used to test the effectiveness of drugs. Participants are randomly selected and divided into those who received the drug (the treatment/intervention group) and those who got a placebo (the control group).

Researchers record participants' health conditions before and after the experiment to see whether there is any difference in outcome between the two groups. This allows a high degree of confidence in determining if there is a causal relationship between taking the drug and getting better or worse (for instance, if the drug does not work and produces side effects).

Laboratory experiments in social research

It is difficult to use laboratory experiments in social research to conduct experiments . Social experiments differ because they study social rather than biological phenomena. T he nature and context of social experiments are also different from natural science experiments like the drug test described above.

There is an ongoing debate in the scientific community about the extent to which it is possible to recreate authentic social scenarios in controlled environments. Therefore, social scientists frequently lean towards field experiments.

Famous sociology experiments in the lab

We will go through some famous sociological experiments.

Milgram (1963) and obedience

Milgram's obedience experiment (1963) is a famous example of laboratory conditions in social research. The experiment divided participants into 'learner' and 'teacher' groups, where the 'learners' were Milgram's confederates and purposely gave wrong answers. The test was to see how far the 'teachers' (the participants) would go to be obedient - even if it involved punishing the learners by subjecting them to (fake) electric shocks.

The result of the initial experiment was that 65 percent of participants (i.e. teachers) went on to administer the highest level of electric shock - 450 volts. All of the participants continued to 300 volts. This experiment took place in Milgram's lab at Yale University.

Asch (1951) and conformity

Another illustration of a sociological experiment conducted in a lab is Solomon Asch's conformity experiment (1951). He was interested in the extent to which the social pressure of a majority could make a person conform. He invited 50 people to take part in his vision test, demonstrated in the image below, and asked them to assess in groups whether the line on the left is the same length as line A, line B or line C.

The participants did not know that Asch's associates were purposefully giving wrong answers among them. Asch wanted to see if the actual participants would change their opinion in line with others. 75 percent of the participants conformed to the popular opinion once or more, even though they knew that the answers were incorrect. This experiment took place in Asch's lab at Swarthmore College in Pennsylvania.

Laboratory experiments in Sociology: Advantages and Disadvantages

It is important to understand not only the strengths of a research method but also its shortcomings. Read below for an outline of the advantages and disadvantages of laboratory experiments in sociology .

Advantages of laboratory experiments in Sociology

There is control over the experiment and the ability to isolate the targeted variables.

Researchers can trace 'cause and effect' relationships.

They have high degrees of reliability as the lab conditions can be replicated.

Positivist sociologists favour them as they use the scientific method.

Disadvantages of laboratory experiments in Sociology

The lab environment is not conducive to people acting authentically; they could put on a facade if they know they are being studied. This is called a 'demand characteristic' and could render the results invalid.

Participants could give answers they think the researcher wants to hear because they fear being ridiculed or “letting the researcher down” by producing “incorrect” answers. This is also an example of a demand characteristic.

Behaviour is rarely caused by a single factor, so isolating one variable may not be possible or useful.

Some lab experiments are morally and ethically questionable. For example, the method and results of Milgram's obedience experiment were controversial due to the distress caused to the participants.

In social research, some sociologists prefer conducting field experiments. We will now consider these.

Field Experiments in Sociology

Field experiments are conducted in real-world social scenarios. They emerged due to the interpretivism critique of lab experiments, which argues that authentic social interaction cannot be reproduced in a lab.

Field experiments in social research

Let's look at examples of sociological field experiments.

Zimbardo (1971)

A great example of a social experiment conducted in the field was one we touched upon briefly in the Research Considerations article - Zimbardo's Stanford prison experiment (1971). Zimbardo invited volunteers to be prisoners and guards in the mock prison he created. Participants were randomly assigned roles of 'prisoner' and 'guard' and studied to test why prison guards can be brutal with prisoners - namely, whether they are naturally sadistic or are influenced by the environment.

Zimbardo found that even though the participants were thoroughly vetted for behaviour/anger issues, the 'guards' started to treat the 'prisoners' aggressively and abusively from early on. The experiment showed how easily people would conform to the roles they are expected to play in society.

UK DWP (2010)

A more recent example was commissioned by the UK's Department for Work and Pension (DWP) and conducted by a team of researchers from the National Centre for Social Research in 2010. The experiment's objective was to figure out if employers are biased against vacancy candidates with ethnic minority names.

They sent applications for 987 real job vacancies across the UK under names commonly associated with ethnic minorities. For each job, they sent three applications with equivalent background and qualifications: one used a 'white' name and the other two had names from different ethnic origins.

The results were that ethnic minorities faced considerable name discrimination in the hiring process - despite having identical CVs and cover letters to the majority white candidates, they needed to send 74 percent more applications to secure an interview.

Field Experiments in Sociology: Advantages and Disadvantages

Field experiments have their benefits but are not always suitable. Read below for an outline of the advantages and disadvantages of field experiments in sociology.

Advantages of field experiments in Sociology

The researcher is more likely to see the ' real deal' instead of an act as the scenarios are authentic.

Social interactions show genuine behaviours, which can help researchers consider other factors that would not have been discovered in a controlled lab setting.

They are favoured by interpretivist sociologists.

Disadvantages of field experiments in Sociology

Researchers cannot control the environment where their experiment occurs, which could mean that there are other influencing factors.

It is ethically questionable to conduct field experiments if the subjects are unaware that they are being studied.

Ethnographic Research

We will briefly consider ethnographic research and how it may be helpful in sociological research.

Ethnographic research is an immersive methodology whereby a researcher collects data whilst being part of the community under investigation. They do so with the goal of producing a narrative account of that particular community, against a theoretical backdrop.

One could argue that ethnographic research is a form of a natural experiment .

The first ethnographic researchers were anthropologists - they joined the community, learned the language, and noted their observations. Some researchers such as Margaret Mead also conducted interviews and psychological tests.

Characteristics of ethnographic research:

small-scale immersive fieldwork

produces qualitative data

includes primary data from observations, case studies or focus groups

includes secondary data from diaries, documents or letters

Evaluation of ethnographic research

The immersion of the research process allows for in-depth insights from an ' insider ' perspective. Research subjects may be more inclined to open up or behave naturally if they do not perceive the researcher as an outsider force.

The high validity of findings stems from studying behaviour in natural settings.

However, the quality of such research can be called into question due to the findings being subject to the researchers' interpretation , which is likely to bring bias into the investigation. M ore importantly, the findings may not always accurately reflect the authenticity of social interactions .

At the beginning of the article, we pointed out that experiments are typically considered as primary sources of data . However, if you are using someone else's raw data from their experiment, you are using it as a secondary source.

Experiments - Key Takeaways

• Experiments test the researchers' hypotheses by trying to establish a causal relationship between the independent and dependent variables.
• Milgram's obedience and Aschs' conformity experiments are famous examples of social experiments in controlled conditions.
• Zimbardo 's Stanford Prison experiment and research into discrimination in the job application process by the National Centre for Social Research show how social experiments can occur naturally in the field.
• There are advantages and disadvantages of using both lab and field experiments. A researcher should be able to assess which would be most suitable for their research needs.
• Ethnographic research could also be a form of a natural experiment as it involves immersive fieldwork.

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Norman Triplett

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Frequently Asked Questions about Experiments

What is an experiment in social research?

In social research, an experiment tests a hypothesis. Laboratory and field experiments are two types of experiments in social research.

What does an experiment mean?

In sociological research, an experiment uses the scientific method and seeks to establish a cause-effect relationship between two variables by testing a hypothesis. In sociology, we test the relationship between social phenomena. 

What is a field experiment in sociology?

Field experiments are those conducted in real-world social scenarios in order to access the most authentic social interaction. 

What are the two types of experiments in sociology? 

The two types of experiments in sociology are laboratory and field experiments.

What is an example of experiment in sociology?

An example of an experiment in sociology was commissioned by the UK's Department for Work and Pension (DWP). It was conducted by a team of researchers from the National Centre for Social Research. The experiment's objective was to determine if employers are biased against vacancy candidates with ethnic minority names.  

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Laboratory Experiments in sociology

Table of Contents

Last Updated on June 5, 2023 by Karl Thompson

This post focuses on the practical, theoretical and ethical and strengths and limitations of laboratory experiment, applied mainly to sociology…

What are laboratory Experiments?

Laboratory experiments take place in controlled environments and are the main method used in the natural sciences such as Physics, Chemistry and Biology. There are numerous experiments which have been designed to test numerous scientific theories about the temperatures at which various substances freeze or melt, or how different chemicals react when they are combined under certain conditions.

The logic of the experimental method is that it is a controlled environment which enables the scientist to measure precisely the effects of independent variables on dependent variables, thus establishing cause and effect relationships. This in turn enables them to make predictions about how the dependent variable will act in the future.

For a general introduction to the key features of experiments and the experimental method (including key terms such as hypothesis and dependent and independent variables) and some of their advantages please see this post: experiments in sociology: an introduction.

The laboratory experiment and is commonly used in psychology, where experiments are  used to measure the effects of sleep loss and alcohol on concentration and reaction time, as well as some more ethically dubious experiments designed to measure the effects of media violence on children and the responses of people to authority figures.

Laboratory Experiments: Theoretical Factors

Theoretical Advantages of Laboratory Experiments

Isolation of Variables – The controlled conditions of laboratory experiments allows researchers to isolate variables more effectively than with any other research method. This further allows researchers to precisely measure the exact effect which one or more independent variables have on the dependent variable. With the ‘tomato experiment’ for example, laboratory conditions would allow the researcher to control precisely variations in temperature, moisture and light, this would not be possible in a field (no pun intended).

Laboratory experiments have excellent reliability for two major reasons:

Secondly , there is a high level of detachment between the researcher and the respondent. In an experiment, the researcher typically takes on the role of ‘expert’ and simply manipulates variables, trying to have as little interaction with the respondents as the experiment will allow for. This means there is little room for the researcher’s own values to influence the way the respondent reacts to an experiment.

Theoretical Limitations of Laboratory Experiments

Laboratory experiments: practical factors.

The practical advantages of lab experiments

Once the experiment is set up, if it takes place in a lab, researchers can conduct research like any other day-job – there is no travelling to visit respondents for example, everyone comes to the researcher.

The practical problems of lab experiments

Laboratory experiments: ethical factors.

The ethical limitations of laboratory experiments

Deception and lack of informed consent are an ethical problem- The Hawthorne effect gives rise to the firs ethical disadvantages often found in experiments – it is often necessary to deceive subjects as to the true nature of the experiment so that they do not act differently, meaning that they are not in a position to give full, informed consent. This was the case in the Milgram experiment , where the research subjects thought the (invisible) person receiving the shocks was the actual subject rather than themselves.

The ethical strengths of laboratory experiments

Related posts.

The above material is mainly relevant to the research method s aspect of A-level sociology.

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