Does Homework Improve Academic Achievement?
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Educators should be thrilled by these numbers. Pleasing a majority of parents regarding homework and having equal numbers of dissenters shouting "too much!" and "too little!" is about as good as they can hope for.
But opinions cannot tell us whether homework works; only research can, which is why my colleagues and I have conducted a combined analysis of dozens of homework studies to examine whether homework is beneficial and what amount of homework is appropriate for our children.
The homework question is best answered by comparing students who are assigned homework with students assigned no homework but who are similar in other ways. The results of such studies suggest that homework can improve students' scores on the class tests that come at the end of a topic. Students assigned homework in 2nd grade did better on math, 3rd and 4th graders did better on English skills and vocabulary, 5th graders on social studies, 9th through 12th graders on American history, and 12th graders on Shakespeare.
Less authoritative are 12 studies that link the amount of homework to achievement, but control for lots of other factors that might influence this connection. These types of studies, often based on national samples of students, also find a positive link between time on homework and achievement.
Yet other studies simply correlate homework and achievement with no attempt to control for student differences. In 35 such studies, about 77 percent find the link between homework and achievement is positive. Most interesting, though, is these results suggest little or no relationship between homework and achievement for elementary school students.
Why might that be? Younger children have less developed study habits and are less able to tune out distractions at home. Studies also suggest that young students who are struggling in school take more time to complete homework assignments simply because these assignments are more difficult for them.
These recommendations are consistent with the conclusions reached by our analysis. Practice assignments do improve scores on class tests at all grade levels. A little amount of homework may help elementary school students build study habits. Homework for junior high students appears to reach the point of diminishing returns after about 90 minutes a night. For high school students, the positive line continues to climb until between 90 minutes and 2½ hours of homework a night, after which returns diminish.
Beyond achievement, proponents of homework argue that it can have many other beneficial effects. They claim it can help students develop good study habits so they are ready to grow as their cognitive capacities mature. It can help students recognize that learning can occur at home as well as at school. Homework can foster independent learning and responsible character traits. And it can give parents an opportunity to see what's going on at school and let them express positive attitudes toward achievement.
Opponents of homework counter that it can also have negative effects. They argue it can lead to boredom with schoolwork, since all activities remain interesting only for so long. Homework can deny students access to leisure activities that also teach important life skills. Parents can get too involved in homework -- pressuring their child and confusing him by using different instructional techniques than the teacher.
My feeling is that homework policies should prescribe amounts of homework consistent with the research evidence, but which also give individual schools and teachers some flexibility to take into account the unique needs and circumstances of their students and families. In general, teachers should avoid either extreme.
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Ages & Stages
Developing Good Homework Habits
Some children get right down to work without much encouragement. Others need help making the transition from playing to a homework frame of mind. Sometimes providing a ten-minute warning is all it takes to help a child get ready mentally as well as to move to the place she intends to work.
There is no universally right time to do homework. In some families, children do best if they tackle their homework shortly after returning home from school in the mid afternoon; other youngsters may do best if they devote the after-school hours to unwinding and playing, leaving their homework until the evening, when they may feel a renewed sense of vigor. Let your child have some say in the decision making. Homework can often become a source of conflict between parent and child—"Johnny, why can't you just do your homework without arguing about it?"—but if you agree on a regular time and place, you can eliminate two of the most frequent causes of homework-related dissension.
Some parents have found that their children respond poorly to a dictated study time (such as four o'clock every afternoon). Instead, youngsters are given guidelines ("No video games until your homework is done"). Find out what works best for both your child and the family as a whole. Once this is determined, stick with it.
Some youngsters prefer that a parent sit with them as they do their homework. You may find this an acceptable request, particularly if you have your own reading or paperwork to complete. However, do not actually do the homework for your child. She may need some assistance getting focused and started and organizing her approach to the assignment. Occasionally, you may need to explain a math problem; in those cases, let your child try a couple of problems first before offering to help. But if she routinely requires your active participation to get her everyday homework done, then talk to her teacher. Your child may need stronger direction in the classroom so that she is able to complete the assignments on her own or with less parental involvement. One area where children may need parental help is in organizing how much work will have to be done daily to finish a long assignment, such as a term paper or a science project.
If your child or her teacher asks you to review her homework, you may want to look it over before she takes it to school the next morning. Usually it is best if homework remains the exclusive domain of the child and the teacher. However, your input may vary depending on the teacher's philosophy and the purpose of homework. If the teacher is using homework to check your child's understanding of the material—thus giving the teacher an idea of what needs to be emphasized in subsequent classroom teaching sessions—your suggestions for changes and improvements on your child's paper could prove misleading. On the other hand, if the teacher assigns homework to give your child practice in a particular subject area and to reinforce what has already been taught in class, then your participation can be valuable. Some teachers use homework to help children develop self-discipline and organizational and study skills. Be sure to praise your youngster for her efforts and success in doing her homework well.
In general, support your child in her homework, but do not act as a taskmaster. Provide her with a quiet place, supplies, encouragement, and occasional help—but it is her job to do the work. Homework is your youngster's responsibility, not yours.
As the weeks pass, keep in touch with your child's teacher regarding homework assignments. If your youngster is having ongoing problems—difficulty understanding what the assignments are and how to complete them—or if she breezes through them as though they were no challenge at all, let the teacher know. The teacher may adjust the assignments so they are more in sync with your youngster's capabilities.
Whether or not your child has homework on a particular night, consider reading aloud with her after school or at night. This type of shared experience can help interest your child in reading, as well as give you some personal time with her. Also, on days when your child does not have any assigned homework, this shared reading time will reinforce the habit of a work time each evening.
To further nurture your child's love of reading, set a good example by spending time reading on your own, and by taking your youngster to the library and/or bookstore to select books she would like to read. Some families turn off the TV each night for at least thirty minutes, and everyone spends the time reading. As children get older, one to two hours may be a more desirable length of time each day to set aside for reading and other constructive activities.
As important as it is for your child to develop good study habits, play is also important for healthy social, emotional, and physical growth and development. While encouraging your child to complete her assignments or do some additional reading, keep in mind that she has already had a lengthy and per haps tiring day of learning at school and needs some free time. Help her find the play activities that best fit her temperament and personality—whether it is organized school sports or music lessons, free-play situations (riding her bike, playing with friends), or a combination of these.