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.…

The ethological approach may become an important methodology in the developmental studies of children. The ethological approach takes into consideration the total world of the child, social and cognitive, when the child's development in that world is analyzed. Information can be obtained both from studies of other primates (for example, the study…

Constructs a model applying evolutionary biology theory to the development of children's sense of justice. Maintains that competition for scarce resources causes many of the moral problems involving justice. Examines the place of emotions in the sense of justice. Hypothesizes rules of justice that predate cultural history. (CH)

Asking how we can best support the health and well-being of infants and children in an era of rapid economic and technological change, this book presents findings on human development as both an individual and a population phenomenon. Topics discussed include links between socioeconomic status, achievement, and health; the impact of early…