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Peer reviewedMorss, John R. – International Journal of Behavioral Development, 1987
Explores longstanding inconsistencies in Piaget's account of development of spatial representation and perspective-taking. Examines Piaget's early writings and the findings of the original "three mountains" experiment. Concludes that Piaget's alternative theory is compatible with contemporary thinking and is important as a contributory…
Descriptors: Cognitive Ability, Cognitive Development, Egocentrism, Epistemology
Peer reviewedOerter, Rolf – International Journal of Behavioral Development, 1981
Describes the development of cognitive structure in adolescence as establishing isomorphism between subject and environment. Identifies two dimensions of stages in the development of individuals'"work structure," i.e., the network of relations existing between the individual and his work.
Descriptors: Adolescents, Age Differences, Cognitive Development, Concept Formation


