Melanie Killen is Professor of Human Development, Professorof Psychology (Affiliate), and Associate Director for the Centerfor Children, Relationships, and Culture at the University ofMaryland. She is a Fellow of both the American PsychologicalAssociation and the Association for Psychological Science. She isalso a recipient of the Distinguished Scholar-Teacher Award by theProvost from the University of Maryland. Her book with Dan Hart, Morality in Everyday Life: Developmental Perspectives(1995), received the outstanding book award from AERA, and her bookwith Sheri Levy, Intergroup Attitudes and Relations fromChildhood to Adulthood, received an Honorable Mention for theOtto Klineberg Memorial Prize from SPSSI. Her research examines thedevelopment of morality, intergroup attitudes, exclusion andinclusion, peer relationships, prejudice, culture, and how socialexperience is related to social-cognitive development. Adam Rutland is Professor of Developmental Psychology atthe Child Development Unit and Centre for the Study of GroupProcesses in the School of Psychology at the University of Kent.Previously he has been a British Academy Post-doctoral Fellow atthe University of Surrey and been a member of Faculty at theUniversity of Aberdeen. His research examines the development ofchildren's prejudice and social identities. He has conducted recentresearch into when and how children learn to self-present theirexplicit attitudes; how intergroup contact can reduce children'sprejudice; children's exclusion of peers within groups andacculturation amongst ethnic minority children.