Cooperative learning in middle school: A means to improve peer relations and reduce victimization, bullying, and related outcomes.

Peer victimization is a highly stressful experience that impacts up to a third of all adolescents and can contribute to a variety of negative outcomes, including elevated anxiety, depression, drug use, and delinquency, as well as reduced self-esteem, school attendance, and academic achievement. Current prevention approaches (e.g., the Olweus program) have a mixed record in American schools. We propose a new approach to prevention that leverages...