Study: Using Twitter increased performance in college classroom

At least one professor thinks so. Christina Greenhow, an assistant professor of education at Michigan State, found that students who use Twitter in their course study performed better.

From Mashable.com:

“Christina Greenhow, an assistant professor of education at Michigan State University, discovered that students using the microblogging service as part of their education are more engaged and have higher grades. In fact, she considers it ‘a new literary practice,’ as she explains in her study “Twitteracy: Tweeting as a New form of Literary Practice.”