Social Greek-letter organizations, more commonly known as fraternities (male-only) and sororities (female-only), are a longstanding tradition at colleges and universities in the United States. They claim to instill leadership skills in and offer a support network for members. However, in this article Wesley Routon and Jay Walker state that…

Why do some social movement leaders work harder than others? And, how does gender affect the patterns we uncover? Utilizing historical case study evidence of local chapters in the emerging movement opposing drinking and driving we are able to develop and test theoretical expectations about predictors of weekly effort among MADD and RID leaders.…