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| Cognitive Development | 1 |
| Concept Formation | 1 |
| Grade 1 | 1 |
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| Randall, Tom M. | 1 |
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Peer reviewedRandall, Tom M. – Journal of Genetic Psychology, 1980
Nonoperational first graders were taught Piaget's horizontality concept. In comparison to control subjects, training group subjects significantly increased correct responses, maintained their gains, and transferred their training from a straight-sided jar to a round-sided jar. (Author/DB)
Descriptors: Cognitive Development, Concept Formation, Grade 1, Perceptual Development
