THEORY AND RESEARCH IN CHILD DEVELOPMENT. History, Theory, and Research Strategies. FOUNDATIONS OF DEVELOPMENT. Biological and Environmental Foundations. Prenatal Development. Birth and the Newborn Baby. INFANCY AND TODDLERHOOD: THE FIRST TWO YEARS. Physical Development in Infancy and Toddlerhood. Cognitive Development in Infancy and Toddlerhood. Emotional and Social Development in Infancy and Toddlerhood. EARLY CHILDHOOD: TWO TO SIX YEARS. Physical Development in Early Childhood. Cognitive Development in Early Childhood. Emotional and Social Development in Early Childhood. MIDDLE CHILDHOOD: SIX TO ELEVEN YEARS. Physical Development in Middle Childhood. Cognitive Development in Middle Childhood. Emotional and Social Development in Middle Childhood. ADOLESCENCE: THE TRANSITION TO ADULTHOOD. Physical Development in Adolescence. Cognitive Development in Adolescence. Emotional and Social Development in Adolescence.