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Nigl, Alfred; Fishbein, Harold – Developmental Psychology, 1974
Empirically describes the relative development of perceptual and conceptual understanding of left-right, back-front, up-down projective relationships between objects and provides a heuristic model of the cognitive processes involved in coordination of perspectives tasks. (Author/ED)
Descriptors: Child Development, Children, Cognitive Development, Cognitive Processes
Gotts, Edward Earl; And Others – 1975
The role of language in conservation tasks and the development of the concept of conservation of quantity in young children are investigated in this study. A total of 50 children, aged 3.0 to 4.7 years, were divided into three groups according to age with a large number clustered around age 4.0 years. Children were randomly assigned to one of two…
Descriptors: Cognitive Development, Comprehension, Concept Formation, Conservation (Concept)