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Peer reviewedCarlson, Jerry S.; Wiedl, Karl Heinz – Educational and Psychological Measurement, 1976
Measures of concrete operational thought and the Raven's Coloured Progressive Matrices were factor analyzed for a sample of primary students. Results indicated that primarily perceptual abilities are required for solution of the Piagetian tests, although abstract reasoning is involved in the solution of matrices and in conservation of substance…
Descriptors: Cognitive Processes, Conservation (Concept), Factor Analysis, Perceptual Development
Download full textJohnson, James E.; Ershler, Joan – 1980
This study tests the hypothesis that components of play such as immagination contribute to cognitive development. Twenty-four middle-class children attending a university-affiliated preschool were observed for 20 one-minute play observations during the Spring Semesters of 1978 and 1979. Play was coded using categories for both social (solitary,…
Descriptors: Classification, Cognitive Development, Conservation (Concept), Imagination
