A growing body of research examines variables that may improve or impede helpful bystander action to prevent peer sexual assault among adolescents. The current study examines how individual and relational variables distinguish youth who respond to sexual violence in unhelpful versus helpful ways. Students were given a survey to assess frequency of…

High-profile school attacks highlight the need for effective school safety solutions. School safety tip lines offer a prevention-based solution. However, little is known about their effectiveness. Using a quasi-experimental multilevel design, we examined the association between school tip-line adoption and violent threats and attacks at school…