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Cowan, Richard – Journal of Experimental Child Psychology, 1979
Two experiments were conducted to investigate children's performance on different number versions of identity and equivalence conservation tasks. Subjects were 88 children ranging in age from four to six years. (MP)
Descriptors: Age Differences, Concept Formation, Conservation (Concept), Early Childhood Education
Peer reviewed Peer reviewed
Cowan, Richard – Journal of Experimental Child Psychology, 1984
Studies five-year-olds' relative number judgements of small and large number displays with and without perceptual aids. Children were found to respond to local rather than global density differences and to benefit from the provision of perceptual aids on both small and large number displays. (Author/AS)
Descriptors: Computation, Concept Formation, Conservation (Concept), Cues