Assessed, at 8-10 months, children's restraint and attention, and at 13-15 months, compliance to mother, internalization of her prohibition, and quality of motivation of the mother-child teaching context. Found support for view of compliance and noncompliance as heterogenous: committed compliance was higher to maternal "don'ts" than…

Mothers and infants were observed in the laboratory when the infants were 12, 18, and 24 months. Mothers reported their child's behavior at 36 months. Predictors of boys' externalizing behavior at two and three years were maternal unresponsiveness and infant attention seeking, aggression, and noncompliance. For girls, infant noncompliance was…

Compared boys' and girls' use of interference competition during game play when resources were scarce or plentiful, among children from kindergarten or fourth grade. Found that fourth-grade girls used less interference competition when resources were plentiful, while their male peers and kindergartners of both sexes used interference competition…

Examined whether activation of the hypothalamic-pituitary-adrenocortical system, as indexed by average home afternoon levels of cortisol in children age 4.5 years, would predict socioemotional adjustment measured a year and a half later. Found that higher cortisol levels were associated with withdrawal-type behaviors of internalizing and social…

Investigated the role of behavioral style and cognitive performance as predictors of cognitive development in extremely low-birth-weight children assessed at age 2 and again at age 4. Found stability of cognitive performance from 2 to 4 years of age; this as well as behavior style and orientation-engagement predicted subsequent cognitive…

Used a standard picture-ranking task to assess preschooler's attitudes about orthopedically handicapped individuals. Found that children as young as preschool age can hold a functionally related preference for a normal over a physically handicapped person. Children who held this preference interacted differently in social situations than children…

Investigated associations between parents' reported coercion and negotiation with their children, children's self-reported conflict strategies with peers, and their behavioral competence rated by both parents. Results obtained through observation, interviews, and questionnaires included a concurrent correlation between parents' use of coercion and…

This book seeks to explain how gender affects human development from infancy through adolescence and into adulthood. The book's introduction states the two theses of the book: first, gender differences appear primarily in group, or social, contexts; and second, gender differentiation can be understood only in a developmental context--the sexes…