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| Journal of Genetic Psychology | 2 |
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Peer reviewedJensen, Arthur R. – Journal of Genetic Psychology, 1971
Descriptors: Cognitive Ability, Cognitive Development, Disadvantaged Youth, Mediation Theory
Peer reviewedWoolum, Sandra J. – Journal of Genetic Psychology, 1976
In order to test the hypothesis that the ability to form verbal concepts would increase with age, a test for verbal concept formation was developed and administered to 668 children between the ages of 4 and 9. By varying sentences that describe nonsense figures, 4 variables were systematically explored. (MS)
Descriptors: Age Differences, Cognitive Development, Concept Formation, Early Childhood Education
