Front Matter -- Historical Overview. Historical Overview -- Conceptual and Empirical Precursors of Contemporary Social Development Research / Gary W Ladd -- Disciplinary Perspectives. Disciplinary Perspectives -- Behavioral Genetics / Darya Gaysina -- The Brain and Social Development in Childhood / Erin D Bigler -- Evolutionary Perspectives on Social Development / Lance Workman, Sandie Taylor, Jerome H Barkow -- Historical Developmental Psychology / Willem Koops -- A Sociological Perspective on Social Development / Dimitra Hartas -- Anthropological Perspectives on Social Development / Heather Montgomery -- Ecological Contexts. Ecological Contexts -- Ecological Perspectives and Social Development / Rachel Maunder -- The Physical Environment and Social Development / Sara S Whipple, Gary W Evans -- Conflict, War, and Famine in Childhood / Charles N Oberg, H R Hodges, Ann S Masten -- Impact of the Climate Crisis on Children's Social Development / Ann Sanson, Karina V Padilla Malca, Judith Van Hoorn -- Covid-19 and Children's Social Development / Rashmita S Mistry, Aprile D Benner, Anna M Kimura -- Culture and Immigration. Culture and Immigration -- Culture and Children's Social Development / Xinyin Chen, Mengting Liu, Qinglin Bian -- The Social Development of Immigrant Children / Gustavo Carlo, Charissa S L Cheah, L Diego Conejo, Hyun Su Cho -- Acculturation and Children's Social Development in Europe / Sabahat Çiğdem Bağci -- Child Characteristics. Child Characteristics -- Temperament and Social Development in Childhood / H Melis Yavuz-Müren, Irem Korucu, Ayşe Bilge Selçuk -- Gender Differences in Children's Play / Karson T F Kung -- Race and Ethnicity in the Context of Children's Social Development / Kathryn M Yee, Jacquelyn Glidden, Melanie Killen -- Contextual Factors. Contextual Factors -- Children's Social Development within the Context of Early Childhood Education and Care Experiences / Linda A White, Anika Ganness, Michal Perlman -- Children's Interpersonal Skills and School-Based Relationships / Becky Kochenderfer-Ladd, Gary W Ladd, Stephanie A Thibault -- The Personal and Social Development of Children in Sport / Jean Côté, Alex Murata, Luc J Martin -- Religion and Social Development in Childhood / Daniel Moulin-Stoz·ek, Michael W James -- The Family and the Peer Group. The Family and the Peer Group -- Parent-Child Attachment in Early and Middle Childhood / Laura E Brumariu, Kathryn A Kerns -- Sibling Relations in Early and Middle Childhood / Nina Howe, Amy L Paine, Hildy S Ross, Holly Recchia -- The Interplay of Parent and Peer Influences on Children's Social Development / Amanda W Harrist, Anuradha J Bakshi -- Social Competence and Forms of Peer Interaction. Social Competence and Forms of Peer Interaction -- Children's Friendships / Amanda J Rose, Sarah K Borowski, Allie Spiekerman, Rhiannon L Smith -- Social Withdrawal and Shyness / Julie C Bowker, Robert J Coplan, Kelly A Smith, Kenneth H Rubin -- Social Competence in Interactions with Peers / Antonius H N Cillessen, Amy D Bellmore -- Social Play and Social Development / Ageliki Nicolopoulou, Peter K Smith -- Cooperation and Competition / Márta Fülöp -- Aggression in Early and Middle Childhood / David A Nelson, Cara S Swit, Craig H Hart -- Bullying / Rosario Del Rey, Esperanza Espino, Mónica Ojeda, Joaquín A Mora-Merchán -- Cognitive, Emotional, Prosocial and Moral Competencies. Cognitive, Emotional, Prosocial and Moral Competencies -- Social Cognition and its Main Correlates in Childhood / Daniela Bulgarelli, Anne Henning, Evelyn Bertin -- Emotions and Social Development in Childhood / Maria Salisch, Katharina Voltmer, Rachel Miller-Slough, Jui-Chih Chin, Susanne Denham -- Prosocial Behavior / Hali Kil, Joan E Grusec -- Children's Lies / Laura Visu-Petra, Narcisa Prodan, Victoria Talwar -- Children and the Media. Children and the Media -- Media and Children's Social Development / Eric E Rasmussen, Kathrin Karsay -- Social Networking Sites and Children's Social Development / Elisabeth Staksrud, Tijana Milosevic -- Intervention and Social Development. Intervention and Social Development -- Helping Autistic Children / Rachael Davis, Jacquiline Houting, Anders Nordahl-Hansen, Sue Fletcher-Watson -- Intervening in Childhood Social Development / Janis B Kupersmidt, Alison E Parker, Mary Ellen Voegler-Lee -- The Development of Social Competence in Children with Disabilities / Soo-Young Hong, Elizabeth A Steed, Lori E Meyer, İbrahim H Acar -- Interventions to Enhance Psychosocial Competence among Children in Low- and Middle-Income Countries / Suman Verma -- Author Index -- Subject Index