Examining Variation in Adolescent Bystanders' Responses to Bullying

Tracy Evian Waasdorpa* & Catherine P. Bradshawb | Erin Dowdya Johns Hopkins University, Children's Hospital of Philadelphiab University of VirginiaTracy Evian Waasdorp, PhD, MEd, is a research scientist at the Children's Hospital of Philadelphia and at Johns Hopkins University School of Public Health. Her research focus includes bullying, relational aggression, peer relationships, school climate, and school-based prevention and interventions.Catherine Bradshaw, PhD, MEd, is a professor and the associate dean for research and faculty development at the Curry School of Education at the University of Virginia, deputy director of the CDC-funded Johns Hopkins Center for the Prevention of Youth Violence, and codirector of the NIMH-funded Johns Hopkins Center for Prevention and Early Intervention. Her research focuses on the development and prevention of aggressive and problem behaviors in schools.