Duh. Did you know that breathing is found to improve breathing and drinking water to improve thirst? You know what some of the stimulus plan for education should go to... building playgrounds in inner city schools.
Let's do an experiment, give half of the schools money to set up data systems and half of the schools money to build playgrounds and see which one has happy well functioning students who are behaving well enough to learn new content. I would put a lot of money on the playground.
I started paying for the internet....I'm back.