Descriptor
| Age Differences | 1 |
| Children | 1 |
| Conservation (Concept) | 1 |
| Geometric Concepts | 1 |
| Research Methodology | 1 |
| Visualization | 1 |
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| Developmental Psychology | 1 |
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| Dean, Anne L. | 1 |
| Harvey, Wade O. | 1 |
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| Journal Articles | 1 |
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Peer reviewedDean, Anne L.; Harvey, Wade O. – Developmental Psychology, 1979
Children at three age levels (4-6, 7-9, and 10-14 years) performed a reaction-time version of Piaget and Inhelder's rotating squares imagery task and a pivot and shape conservation recognition task. (JMB)
Descriptors: Age Differences, Children, Conservation (Concept), Geometric Concepts
