However, the well researched article cites numerous studies and data points with topics such as : shrinking minutes, minority access to recess, and concludes with some advice on take a look at your current recess policies with some general guidelines for establishing recess policies. Well worth a look for those interested in school recess.
Time Out : Is Recess in Danger Mini-Research Review
By the way, you might want to take a quick look at my recently posted article on the same topic: IS RECESS ON THE UPSWING?