That box rotates amongst 5 different features, changed about once a week, sometimes a bit longer. It changes every 2 minutes.

The link you're looking for is:

http://psychcentral.com/lib/2006/10/...-study-habits/

Usually I'd suggest using the search engine, but we had a problem with our last indexing and the article doesn't seem to appear in the results (at least not when I looked). The search engine's index should be updated this weekend.

DocJohn