Deals with biologically based sex differences in early childhood. Strategy is to assume that the earlier a particular behavioral difference appears in the life cycle, the more likely it is influenced by biological factors. Such biological influences may lead to differences in fear, cognitive functioning and variability between boys and girls.…

This volume is intended for use in college courses that combine educational psychology with child and adolescent psychology or human development. Section I, an introductory chapter presents selective groups of readings in the field of child developmental theory. Sections II through X each deal with one of the explanations of behavior that have…

Much of our thinking about contemporary social problems reflects tacit presuppositions regarding the operation of heredity and environment in human behavior. These beliefs have important implications for practical decisions. Advances in genetics, psychology, anthropology, and other disciplines have contributed much to a clarification of the…