My research examines the way peers affect motivation, academic achievement, and social behavior.

  • - Reconsidering Jigsaw social psychology: Longitudinal effects on social interdependence, socio-cognitive conflict regulation, motivation, and achievement. Journal of Educational Psychology.

  • - Enlisting peer cooperation in the service of alcohol use prevention in middle school. Child Development.

  • - Peer cooperation in middle school: A means to improve peer relations and reduce victimization, bullying, and related problems. Journal of Educational Psychology.