What does it take to get hungry, naive, and cash-strapped college students to sign up for crappy credit cards at on-campus booths? Not much. Based on a survey of over 1500 college students, here is the list of the most common and their percentage as documented by the Public Interest Research Group in a new campaign available on their microsite, truthaboutcredit.org. Nothing like a tshirt with a 23% APR.