I think you mean it doesn't have a single reference to the paper.
This is why it's detrimental to have all these Journal articles locked away from public view. A researcher can make a claim that influences public opinion, but the general public must pay a lot of money to actually review what the claim is based upon!
The paper is, incidentally:
Cooper, H., Robinson, J. C., & Patall, E. A. (2006). Does homework improve academic achievement? A synthesis of research, 1987-2003. Review of Educational Research, 76, 1-62.
Luckily there is a copy of that article you can find here:
No strong evidence was found for an association between the homework-achievement
link and the outcome measure (grades as opposed to standardized tests) or the
subject matter (reading as opposed to math). On the basis of these results and
others, the authors suggest future research.
This is why it's detrimental to have all these Journal articles locked away from public view. A researcher can make a claim that influences public opinion, but the general public must pay a lot of money to actually review what the claim is based upon!
The paper is, incidentally:
Cooper, H., Robinson, J. C., & Patall, E. A. (2006). Does homework improve academic achievement? A synthesis of research, 1987-2003. Review of Educational Research, 76, 1-62.
Luckily there is a copy of that article you can find here:
http://emilkirkegaard.dk/en/wp-content/uploads/Does-Homework...
The abstract reads, in part: