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Eliot, John; Dayton, C. Mitchell – Journal of Genetic Psychology, 1976
This study was undertaken to determine the relative contribution of age, sex, and three stimulus features (board shape, block arrangement, and block shape) to perceptual accuracy on 39 board/block adaptations of Piaget's three-mountain task. (Author/SB)
Descriptors: Age Differences, Child Development, Cognitive Development, Egocentrism