Discusses the potential role of temperament dimensions for the development of mother-infant attachment relations as measured by the Strange Situation Assessment. (HOD)

Notes that psychologists' interest in behavioral development concerns individual differences in behavior. Explores complexities of genetic and environmental determination of development, and of canalization. Intelligence is considered as an example of the canalization of human behavior. (BC)

Maintains that (1) research questions must address intra- and extraorganism contextual relations and must be multidisciplinary in scope; (2) research must be sensitive to contextual variability and individual differences; and (3) scholars must develop empirically generative models linking the development of human beings with changing contexts. (BC)

Reviews evidence on reliability and validity of the Children's Behavior Questionnaire (CBQ); presents CBQ data on structure of temperament in childhood. Factor analyses indicate three broad dimensions of temperament: extroversion/surgency, negative affectivity, and effortful control. This factor structure also appears in ratings of children in…

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)

Argues that an evolutionary perspective can unite the study of species-typical development and individual variation. Provides examples from the domains of personality, social, and intellectual development. Maintains that understanding the ways in which genes and environments work together helps developmentalists identify children who need…