Empirical Evidence for Reversibility by Inversion.

Gladstone, Roy; Palazzo, Richard

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Peer reviewed

ERIC Number: EJ109758

Record Type: Journal

Publication Date: 1974

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Empirical Evidence for Reversibility by Inversion

Gladstone, Roy; Palazzo, Richard

Developmental Psychology, 10, 6, 942-948, Nov 74

This study demonstrates that, given the assumption that the child does have some understanding of both height and amount, many nonconservers do give correct reversal judgments for both. Also, reversibility data from this study do not support the theory that a new stage appears when water conservation judgments appear. (Author/ED)

Descriptors: Cognitive Development, Conservation (Concept), Developmental Psychology, Learning Theories, Preschool Children

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