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Gray, William M. | 1 |
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Gray, William M. – 1973
The purpose of this study was to design a prototype written test of cognitive development based on the model of Piaget. Although the results were not consistent with Piaget's theory, test development was only partially successful. Specifically, validation of the scales was excellent or poor depending on the perspective. Analysis of the item…
Descriptors: Cognitive Development, Cognitive Measurement, Cognitive Tests, Deduction