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More than two hours of homework may be counterproductive, research suggests.

A Stanford education researcher found that too much homework can negatively affect kids, especially their lives away from school, where family, friends and activities matter.   "Our findings on the effects of homework challenge the traditional assumption that homework is inherently good," wrote Denise Pope , a senior lecturer at the Stanford Graduate School of Education and a co-author of a study published in the Journal of Experimental Education .   The researchers used survey data to examine perceptions about homework, student well-being and behavioral engagement in a sample of 4,317 students from 10 high-performing high schools in upper-middle-class California communities. Along with the survey data, Pope and her colleagues used open-ended answers to explore the students' views on homework.   Median household income exceeded $90,000 in these communities, and 93 percent of the students went on to college, either two-year or four-year.   Students in these schools average about 3.1 hours of homework each night.   "The findings address how current homework practices in privileged, high-performing schools sustain students' advantage in competitive climates yet hinder learning, full engagement and well-being," Pope wrote.   Pope and her colleagues found that too much homework can diminish its effectiveness and even be counterproductive. They cite prior research indicating that homework benefits plateau at about two hours per night, and that 90 minutes to two and a half hours is optimal for high school.   Their study found that too much homework is associated with:   • Greater stress : 56 percent of the students considered homework a primary source of stress, according to the survey data. Forty-three percent viewed tests as a primary stressor, while 33 percent put the pressure to get good grades in that category. Less than 1 percent of the students said homework was not a stressor.   • Reductions in health : In their open-ended answers, many students said their homework load led to sleep deprivation and other health problems. The researchers asked students whether they experienced health issues such as headaches, exhaustion, sleep deprivation, weight loss and stomach problems.   • Less time for friends, family and extracurricular pursuits : Both the survey data and student responses indicate that spending too much time on homework meant that students were "not meeting their developmental needs or cultivating other critical life skills," according to the researchers. Students were more likely to drop activities, not see friends or family, and not pursue hobbies they enjoy.   A balancing act   The results offer empirical evidence that many students struggle to find balance between homework, extracurricular activities and social time, the researchers said. Many students felt forced or obligated to choose homework over developing other talents or skills.   Also, there was no relationship between the time spent on homework and how much the student enjoyed it. The research quoted students as saying they often do homework they see as "pointless" or "mindless" in order to keep their grades up.   "This kind of busy work, by its very nature, discourages learning and instead promotes doing homework simply to get points," said Pope, who is also a co-founder of Challenge Success , a nonprofit organization affiliated with the GSE that conducts research and works with schools and parents to improve students' educational experiences..   Pope said the research calls into question the value of assigning large amounts of homework in high-performing schools. Homework should not be simply assigned as a routine practice, she said.   "Rather, any homework assigned should have a purpose and benefit, and it should be designed to cultivate learning and development," wrote Pope.   High-performing paradox   In places where students attend high-performing schools, too much homework can reduce their time to foster skills in the area of personal responsibility, the researchers concluded. "Young people are spending more time alone," they wrote, "which means less time for family and fewer opportunities to engage in their communities."   Student perspectives   The researchers say that while their open-ended or "self-reporting" methodology to gauge student concerns about homework may have limitations – some might regard it as an opportunity for "typical adolescent complaining" – it was important to learn firsthand what the students believe.   The paper was co-authored by Mollie Galloway from Lewis and Clark College and Jerusha Conner from Villanova University.

Clifton B. Parker is a writer at the Stanford News Service .

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The Case for Homework

• Posted September 29, 2016
• By Matt Weber

This fall, the start of the new school year seemingly brought with it a trend of teachers forgoing homework assignments in order to allow their students more time outside of school for family and play. A number of these announcements took off on social media, with many parents supporting the stance and wishing that their own child's teacher would follow suit. While few would dispute the importance of family and play time for young children, it may be shortsighted to believe that eliminating homework altogether is the answer.

"All children should be doing homework," says Duke University Professor Harris M. Cooper , who has researched and wrote on the topic for over 25 years. While Cooper acknowledges that an excess of homework is both unnecessary and potentially detrimental, the upside of homework is too great to ignore. Not only is it important in reinforcing skills learned during the school day, it also teaches time management, study skills, and independent learning, as well as keeps parents connected to their children's learning.

"Really good homework assignments" in subjects such as math and science, says Cooper, also highlight skills children use in other areas of their life — in sports, games, and everyday tasks like grocery shopping with their parents. "A really good teacher is one that takes the skills that [their students] are learning in the abstract — or more abstract — in their classroom, and uses homework to show them these are the skills they need to enjoy things they do even more," says Cooper.

In this edition of the Harvard EdCast, Cooper evaluates the dissatisfaction with homework practices and discusses all of the reasons why, for children, homework is essential.

About the Harvard EdCast

The Harvard EdCast is a weekly series of podcasts, available on the Harvard University iTunes U page, that features a 15-20 minute conversation with thought leaders in the field of education from across the country and around the world. Hosted by Matt Weber, the Harvard EdCast is a space for educational discourse and openness, focusing on the myriad issues and current events related to the field.

An education podcast that keeps the focus simple: what makes a difference for learners, educators, parents, and communities

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Should Teachers Assign Homework?

Should teachers assign homework? Should you assign homework to your students? The answer to that question is dependent on a variety of factors, so let’s dive in. 

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What is the purpose of homework?

What is your purpose behind assigning homework? Here is a quick brainstorm of how you might answer this question:

• Homework is required.
• I need a specific number of grades.
• Students need to practice.
• You believe homework builds a habit of responsibility.

The next question to ask yourself is: “Is my current situation working well?” For example, if you assign homework daily and only 50% of students complete it, then you may need to reevaluate. 

Academic Pros of Homework

Homework has many benefits. Even as a student, I remember working on my math homework, and having some aha! moments. Many teachers depend on homework because their class periods are so short. Homework allows for students to practice what they learned in class when class time doesn’t allow for it.

Flipped classrooms depend on students watching videos at home. While they aren’t working problems independently, they are still learning at home. This allows them to do the majority of their work in class, removing the barrier of trying to practice something you don’t understand with no assistance.

Lastly, our brain is a muscle that does grow as we continue to use it. If learning an instrument or playing a sport requires practice, then so does math. 

Social-Emotional Pros of Homework

Homework isn’t just about knowledge. Homework can build a variety of other valuable habits – responsibility, ownership of their learning, and time management. 

If my students weren’t taking class work seriously, all I had to say was, “Whatever isn’t completed in class will be homework,” and students QUICKLY got back on track. Incentivizing students to use their time wisely in class can help students stay on task. 

Lastly, in some cases, homework allows parents to see what their kids are learning and their child’s academic strengths/weaknesses. In years that I didn’t assign homework (when I had 90 minute classes), parents reached out often to ask what students were working on since they never saw homework. 

Academic Cons of Homework

You probably don’t need me to list them because you already know! All those amazing homework pros that were listed above become moot if students don’t actually do it. Homework isn’t actually practice or an indicator of what students know because it can be copied from a friend or apps like Photomath make it super easy to cheat. 

Not to mention, some students would rather just take a zero than complete the work, so now you have missing grades to deal with. And for the students who do complete their homework with fidelity, well, they can be practicing it incorrectly without immediate feedback. Which is why I highly recommend something that is self-checking like a riddle or mixed answer key.

Social Emotional Cons of Homework

While research shows that there is a correlation between completing homework and academic success, it does not show that students do better because they do their homework. Cathy Vatterott, an education professor at the University of Missouri-St. Louis, stated “Correlation is not causation. Does homework cause achievement, or do high achievers do more homework?”

Some parents and teachers argue that students have already spent 8+ hours at school. Students benefit from resting, playing, and spending time with their families. The whole child should be considered. 

Assign Homework, but Do It Purposefully

According to this recommendation , homework should follow the 10 minute rule.  Multiply the grade level you teach by 10 and that is how many total minutes a student should have of homework of all subjects for one night. If you teach 6th grade, students should have 60 total minutes of homework a night. 

With this recommendation in mind, you have to consider the varying abilities of your students. A 10 question assignment may take one student 10 minutes to complete while it may take another student 1 hour to complete.

Which leads to my next point, it has to meet students’ needs.  Online math homework, which can be designed to adapt to students’ levels of understanding, can significantly boost test scores according to this study . 

These 5 questions from Edutopia give a great framework to help guide what type of homework you assign to your students. 

• How long will it take to complete?
• Have all learners been considered?
• Will an assignment encourage future success?
• Will an assignment place material in a context the classroom cannot?
• Does an assignment offer support when a teacher is not there?

If you decide that homework is beneficial to your students, here are 5 best practices for implementation:

• Give less homework more frequently
• Ensure that students are practicing what they just learned
• Provide feedback as quickly as possible
• Explain to students the purpose of homework and how it will be evaluated

If you need Independent Practice (whether that is homework or in class practice), All Access has you covered! Each lesson comes with an aligned Independent Practice.

Many middle schools specifically are moving towards a model (or already have) that allows for a tutorial or advisory period. Utilize that time period and teach students to do the same. 

Hopefully, some of these thoughts will help you to weigh your options and come to a conclusion that meets both your students’ needs and your philosophy and approach to teaching. Let us know in the comments – do you assign homework?

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