Karl S. Rosengren is a Professor of Psychology in the Department of Psychology at Northwestern University. His research focuses on cognitive and motor development.Peggy J. Miller is a Professor of Psychology and Communication at the University of Illinois at Urbana-Champaign. Her research focuses onsocialization, specifically the process by which children come to orient themselves within systems of meaning. She is an expert on qualitative and ethnographic methods.Isabel T. Gutierrez is a Lecturer in the Humanities, Social Sciences, & Education Department at Raritan Valley Community College in Branchburg, New Jersey. Her main interest is in socialization of meaning across cultures.Phillip J. Chow is a clinical graduate student in the Department of Psychology at the University of Illinois at Urbana-Champaign. His main research interests include the role of emotion and personality in depression.Stevie S. Schein is a graduate student in the Department of Psychology at the University of Texas at Austin. Her main focus of interest is in social development.Kathy N. Anderson was a research associate in the Department of Psychology at the University of Illinois at Urbana-Champaign.Maureen A. Callanan is Professor of Psychology at University of California, Santa Cruz. Her research takes a sociocultural developmental approach, focusing on cognitive and language development in young children. Much of her work investigates how children's causal understanding emerges in the context of family conversations and activities.