Girls Shape the Future Study Findings and Lessons Learned from an Effort to Assess the Effectiveness of the Girls Incorporated Will PowerWont Power Program

This report presents findings from the Girls Shape the Future study, which was designed to evaluate the implementation and effectiveness of the Girls Incorporated® Will Power/Won’t Power® curriculum developed to reduce sexual intercourse, pregnancy, and sexually transmitted infections among teenage girls. The study also aimed to assess if Will Power/Won’t Power® developed views and attitudes about postponing sexual activity, improved self-perception, lowered risky behaviors, and decreased interactions with peers who engage in risky behaviors.