Adolescence is a period of marked change in the person's cognitive, physical, psychological, and social development and in the individual's relations with the people and institutions of the social world. These changes place adaptational demands on adolescents, ones involving relations between their actions upon the context and the action of the…

Studying human development involves describing, explaining, and optimizing intraindividual change and interindividual differences in such change and, as such, requires longitudinal research. The selection of the appropriate type of longitudinal design requires selecting the option that best addresses the theoretical questions asked about…

Five symposium papers evaluate the usefulness of ideas associated with the life-span view for enriching, highlighting, or expanding issues, theory, and research pertinent to change processes during infancy, childhood, adolescence, and adulthood, and for intervention programs during these periods. (Author/MP)

Maintains that "Individual Development and Evolution: The Genesis of Novel Behavior" (Gilbert Gottlieb) is one of the most creative, integrative, and important works in the field of developmental comparative science. Gottlieb's work has provided scientific basis for the concept that developmental systems, and not genetic reductionism, is the only…

Explains the place of learning in human development from the perspective developmental contextualism, where development involves changing relations between the developing person and his or her changing context. Demonstrates that learning is no more nor less important than other focal functions at a given level; any impact is through being part of…