Background: Violence and bullying perpetration among boys are major public health problems. We address gaps in the literature by examining: (1) how risk and protective factors co-occur, and (2) how different risk/protection profiles are associated with violence and bullying perpetration among adolescent boys. Methods: Data came from the…

Background: Measuring adolescent perceptions of physical education (PE) activities is necessary in understanding determinants of school PE activity participation. This study assessed reliability and validity of the Physical Education Activities Scale (PEAS), a 41-item visual analog scale measuring high school adolescent perceptions of school PE…

Background: Although males are often the initiators of teen sexual activity, pregnancy prevention programs generally target females. To address this deficiency, the Wise Guys Male Responsibility Curriculum was developed to be delivered to adolescent males in weekly classroom sessions. Methods: Seventh grade participants (n = 124) in the Wise Guys…