The data suggest that spending 60 minutes a day doing homework is a reasonable and effective time.’
Students’ maths and science results began to decline when teachers assigned 90-100 minutes of homework per day.
And while they found a small gain in results between 70 and 90 minutes, it required two hours more homework a week.
‘For that reason, assigning more than 70 minutes of homework per day does not seem very efficient,’ Dr Suarez-Alvarez said.
‘The conclusion is that when it comes to homework, how is more important than how much.
Read more: http://www.dailymail.co.uk/news/article-3008679/Yes-homework-really-bad-children-Results-begin-drop-takes-longer-90-minutes-hour-perfect-time.html#ixzz3nOZqCYzP
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