Addresses nutritional problems associated with developmental problems in infancy and childhood. Nutritional problems are often linked to environmental disadvantage; the possibility exists for long-term developmental effects. Treatment for undernutrition does not appear to reverse all negative effects. Prevention of nutritional disorders is better…

Recent research about children's early personal-social learning and development is reviewed in relation to three basic psychological questions. The first concerns extent of stability or consistency in stylistic patterns of personal-social behavior across infancy, the preschool years, and the early school years. The second concerns current…

Reviews research on the heritability of intellectual factors, personality factors, and psychopathology. Discusses the importance of investigating within-family environmental differences in order to understand the environmental origins of individual differences in development. (Author/BJV)

Outlines a developmental model of antisocial behavior. Reviews research on the etiology and course of antisocial behavior from early childhood through adolescence. The route to chronic delinquency is marked by a reliable developmental sequence of experiences. Discusses implications for prevention and intervention. (Author/BJV)