What Clown on a Unicycle? Studying Cellphone Distaction (NY Times, 10/22/2009)

Cellphone-using college students walking across campus were much more likely NOT to see a unicycling clown than were students listening to music.  Students walking with a friend were much more likely to spot the unicycling clown.

Discussion questions: How many of your students talk on a cellphone while driving?  How many students think they drive as well while on a cellphone as they do driving alone or with a friend?  What might drivers not be seeing?