Too Much Homework Can Lower Test Scores, Researchers Say

Piling on the homework doesn't help kids do better in school. In fact, it can lower their test scores.

That's the conclusion of a group of Australian researchers, who have taken the aggregate results of several recent studies investigating the relationship between time spent on homework and students' academic performance.

http://www.huffingtonpost.com/2012/0...usaolp00000003