Preface -- Social group membership : intergroup context and methodological issues -- Children and social groups: a social identity approach / Drew Nesdale -- Ethnic identity among immigrant and minority youth / Maykel Verkuyten and Fenella Fleischmann -- Intergroup contact and ethnic/racial identity development / Sheena Mirpuri and Tiffany Yip -- Researching children's social groups : methods and measures / Drew Nesdale, Christia Spears Brown and Adam Rutland -- Group processes : social exclusion, resource allocation and communication -- The role of group processes in social exclusion and resource allocation decisions / Melanie Killen, Laura Elenbaas, Michael T. Rizzo and Adam Rutland -- Toward a contextualized social developmental account of children?s group-based inclusion and exclusion : the developmental model of subjective group dynamics / Dominic Abrams, Claire Powell, Sally B. Palmer and Julie Van de Vyver -- Communication in children's and adolescents' social groups / Patrick J. Leman and Harriet R. Tenenbaum -- Social categorization, prejudice and stereotyping -- Theoretical perspectives on the development of implicit and explicit prejudice / Frances E. Aboud and Jennifer R. Steele -- The ontogeny of stereotyping and prejudice / Rebecca S. Bigler and Meagan M. Patterson -- Implicit intergroup bias and the long road to predicting discrimination / Yarrow Dunham -- The development of racial categorization in childhood / Kristin Pauker, Amanda Williams and Jennifer R. Steele -- Socialization and intergroupÿdiscrimination -- Racial socialization and racial discrimination as intra- and inter-group processes / Diane Hughes, Jessica Harding, Erika Y. Niwa, Juan Del Toro and Niobe Way -- Perceptions of discrimination / Christia Spears Brown -- Essentialism and children's reasoning about race and ethnicity / Stephen M. Quintana, Julia Z. Benjamin and Patrice Leverett -- Groups and bullying -- Bullying in school and online contexts : social dominance, bystander compliance, and emotional pain of victims / Jaana Juvonen and Hannah L. Schacter -- Harnessing the power of the group to reduce bullying and victimisation / Amanda L. Duffy and Lindsey Cameron -- Intergroup contact and cross-group relationships -- Contact strategies for improving intergroup relations among youth / Linda R. Tropp and Ananthi Al Ramiah -- Children's and adolescents' cross-ethnic friendships / Philipp Jugert and Allard R. Feddes -- Inter-racial contact among university and school youth in post-apartheid South Africa / Colin Tredoux, John Dixon, Kevin Durrheim and Buhle Zuma -- Student-teacher relationships and interethnic relations / Jochem Thijs -- Interventions to improve relations between groups -- Using an intergroup contact approach to improve gender relationships : a case study of a classroom-based intervention / Carol Lynn Martin, Richard A. Fabes, Laura D. Hanish, Bridget Gaertner, Cindy Faith Miller, Stacie Foster, and Kimberly A. Updegraff -- Intergroup contact in action : using intergroup contact interventions to change children's out-group orientation / Lindsey Cameron and Nicola Abbott -- Seeding change : using children's media to promote social inclusion the sesame street way / Charlotte F. Cole and Lilith Dollard -- Commentary -- Intergroup processes in children and adolescents : where are they heading? / Kevin Durkin -- Index.