Brett Laursen Editor

William M. Bukowski is a Professor in the Department of Psychology at Concordia University, Canada where he holds a University research chair. Broadly defined, his research interest is the features and effects of peer relations among school-age and early adolescent boys and girls. He is especially interested in: (a) the extent to which experiences with peers protect at-risk children from negative outcomes; and (b) the personal and contextual factors that underlie variability in the effects of the peer system. Brett Laursen is a Professor in the Department of Psychology at Florida Atlantic University, USA. His main research interest is in the developmental processes related to interpersonal relationships during adolescence. He is especially interested in the positive and negative effects of conflict in adolescent relationships. Kenneth H. Rubin is the Director of the Center for Children, Relationships, and Culture at the University of Maryland, USA where he is a Professor in the Department of Human Development. He directs a large research programme on the antecedents and consequences of peer relations during childhood and early adolescence. He is among the most productive and widely cited developmental psychologists in the world.