We tested whether gender-specific vs. common classroom norms were more powerful moderators of the association between a risk factor (rejection) and peer victimization among girls and boys. The participants were 1220 elementary schoolchildren from grades 4-6 (with 10-13 years of age). We compared different multilevel models including combined vs.…

Relatively little is known about the prevalence of physical dating violence behaviors and perceived norms about dating violence among early adolescents. A sample of 5,404 sixth-grade students was recruited from four diverse U.S. sites. Over half of the respondents reported that girls hitting their boyfriends was acceptable under certain…

Collective efficacy, defined as informal social controls that operate under social norms of trust, is an emerging theoretical concept that has been applied to explain violence rates in neighborhoods, affiliation with deviant peers, partner violence, and adolescent delinquency. This study employed a multilevel design to examine the association…

Twelve-month follow-up outcomes from a group-randomized trial (GRT) of a classroom curriculum aimed at preventing bullying and victimization among elementary students in the Denver, Colorado, public school system are presented. Twenty-eight elementary schools were randomly assigned to receive selected modules of "Youth Matters" (YM), a…

This study involved a pilot examination of the impact of the Supporting Early Adolescent Learning and Social Strengths (SEALS) model on the 6th grade academic and social context following the transition to middle school. Two middle schools from a high poverty Appalachian school district were randomly assigned to the intervention and control…