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Kagan, Jerome – International Journal of Behavioral Development, 1980
Addresses four major issues in developmental psychology: the preservation of structures over time; the psychological growth functions for emergent competences; the mechanisms of change in development; and the determinants of individual variation in psychological development. (Author/DB)
Descriptors: Behavior Change, Cognitive Processes, Competence, Individual Development

Heckhausen, Jutta – International Journal of Behavioral Development, 1988
Task-centered interactions of 12 mother-infant pairs observed between the infants' 14th and 22nd month indicated that infants become aware of their competence in their second year. Five critical aspects of the children's behavior are discussed with respect to mother's influence, action as context for competence, and developmental characteristics…
Descriptors: Affective Behavior, Competence, Foreign Countries, Individual Development
Jelicic, Helena; Bobek, Deborah L.; Phelps, Erin; Lerner, Richard M.; Lerner, Jacqueline V. – International Journal of Behavioral Development, 2007
Theories of positive youth development (PYD) regard such development as bases of both community contributions and lessened likelihood of risk/problem behaviors. Using data from the 4-H Study of PYD, we tested these expectations by examining if PYD in Grade 5 predicted both youth contributions and risk behaviors and depression in Grade 6. Results…
Descriptors: Preadolescents, Early Adolescents, Grade 6, Grade 5