Wouldn't that just mean that parents would add some imaginative play with their own kids?
What do you think about this? http://answers.yahoo.com/question/index?qid=20100311190247AA...
What do you think about this? http://answers.yahoo.com/question/index?qid=20100311190247AA...
If we just looked at all schools like that study did, even with a lottery, we'd probably come to the conclusion that the stodgiest, most regressive kinds of top private schools is the way to go.
*Edit: Read the link more thoroughly. This answer is completely subjective but I can't really believe many people would agree with that characterisation of imaginative play and creativity who weren't rationalising their belief in a particular dogma. It doesn't ring true to me at all.