This study assessed the moderating effects of school facilitating conditions (school opportunities for prosocial involvement, school commitment, academic grades, and truancy) on adolescent marijuana use within the context of the Theory of Planned Behavior (TPB). Utilizing a large statewide surveillance study of adolescent risk and protective…

Aggressive and weapons carrying behaviors are indicative of youth violence. The theory of planned behavior is used in the current analysis to improve our understanding of violence-related behaviors. We examine the influence of perceived behavioral control (self-control and decision making) as a part of the overall framework for understanding the…