Diffusion of innovations theory can be used to understand how to prevent or slow the spread of harmful behaviors, such as e-cigarette use in adolescent social networks. This study explores how different network intervention strategies could impact diffusion dynamics through network simulations based on observed social norms and e-cigarette use…

Bullying and sexual harassment are commonly experienced by secondary students, yet these behaviors are seldom targeted for intervention in high schools. Norms and Bystander Intervention Training (NAB IT!) is a program designed to address bullying and sexual harassment through promoting prosocial norms and helping behaviors among high school…

High school students are often involved in sexual and dating violence. The bystander approach aims to stop sexual and dating violence from their initial occurrence by promoting social norms supporting victims and tolerating no violence. Recent studies of high school bystander programs report promising evidence of effectiveness in improving…