Would you stop a hate crime?
An interesting piece. The actual ratio is buried at the end. Of the 99 people in the experiment, 21 people stood up directly to the attackers, 67 people did not get involved at all, and the remainder responded in a way that did not directly confront the attacker. I actually find that pretty good.
http://abcnews.go.com/WhatWouldYouDo/Story?id=7076340&page=1
http://abcnews.go.com/WhatWouldYouDo/Story?id=7076340&page=1