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Peer reviewed Peer reviewed
Peisach, Estelle; Wein, Norman – Journal of Genetic Psychology, 1970
Descriptors: Conservation (Concept), Difficulty Level, Intellectual Development, Primary Education
Peer reviewed Peer reviewed
Lempers, Jacques D. – Journal of Genetic Psychology, 1979
The production and comprehension of pointing and their developmental relationship in the young child was examined in a study of 36 male and female 9- to 14-month-old infants. (CM)
Descriptors: Comprehension, Developmental Stages, Infant Behavior, Infants
Peer reviewed Peer reviewed
Vickers, Marilyn; Blanchard, Edward B. – Journal of Genetic Psychology, 1973
A task was used in which subjects at three different Piagetian stages of intellectual development were to induce the missing relationship in different triadic situations. (Authors)
Descriptors: Age Differences, Cognitive Processes, College Students, Developmental Psychology