Assume that helping your child with his homework improves his grades? Think again!

I just read a fascinating article in the New York Times about parental involvement. You might think it's a no-brainer that the more involved the parent, the better the kid's school performance. But that turns out to not always be the case:
My theory on this? If parents can be engaged and interested in their child's schooling AND not increase the stress load on their child, then their involvement may be beneficial.