Aggression

Martha Putallaz, PhD, is Professor of Psychology at Duke University, where she joined the faculty in 1983. Dr. Putallaz is a long-standing researcher in the field of children's social development and peer relationships. Most recently, she has been Principal Investigator of a comprehensive study of aggression and social rejection among middle childhood girls, funded by the National Institute of Mental Health. She is also a codirector of the Carolina Consortium on Human Development and the executive director of Duke's Talent Identification Program.Karen L. Bierman, PhD, is Evan Pugh University Professor, Professor of Psychology and Human Development and Family Studies, and Director of the Child Study Center at Pennsylvania State University. Since the 1980s, her research has focused on social-emotional development and children at risk, with an emphasis on the design and evaluation of school-based programs that promote social competence, school readiness, and positive peer relations, and that reduce aggression and related behavior problems. Currently, she directs the Research-based Developmentally Informed (REDI) classroom and home visiting programs, developed in partnership with Head Start programs in Pennsylvania. A clinical psychologist, Dr. Bierman also directs a predoctoral training program in the interdisciplinary educational sciences. Dr. Bierman has served as an educational advisor to organizations including Head Start and Sesame Workshop.