Stewart Friedman of Wharton points out the value of cookie break:
http://blogs.harvardbusiness.org/friedman/2009/02/grownups-need-recess-too.html
If you see student assignments stemming from this, please post them to Mg-Ed-Dv! (Craft a suitable "subject" for your posting).
Best regards,
Charlie
Charles Wankel
http://facpub.stjohns.edu/~wankelc
wankelc@stjohns.edu
Add me on LinkedIn using that email address, Facebook too!