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Perceptual and Motor Skills

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Stephens, Beth	2
McLaughlin, John A.	1

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Analysis of Performance by Normals and Retardates on Piagetian Reasoning Assessments as a Function of Verbal Ability

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Stephens, Beth; McLaughlin, John A. – Perceptual and Motor Skills, 1971

Descriptors: Cognitive Development, Cognitive Processes, Comparative Analysis, Intelligence Tests

Mental Ages for Achievement of Piagetian Reasoning Assessments.

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Stephens, Beth; And Others

Mental ages for normals' and for retardates' achievement on 21 Piagetian measures of reasoning are presented in this exploratory longitudinal study. Before standardization data can be provided, a study which involves a more extended sample is necessary. It is, however, suggested that: (1) Normals' (IQ 90-110) transition from concrete to formal…

Descriptors: Cognitive Development, Cognitive Processes, Comparative Analysis, Conservation (Concept)