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| American Journal of Mental… | 1 |
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Peer reviewedGruen, Gerald E.; Korte, John – American Journal of Mental Deficiency, 1973
Twenty-five retarded and 25 nonretarded children, mean age 16 and 9 years respectively, matched for mental age, performed two-bit (four-choice) and three-bit (eight-choice) problem solving tasks to determine whether group performance differences would increase with task complexity and whether performance of the retarded children would be poorer.…
Descriptors: Adolescents, Children, Exceptional Child Research, Mental Retardation
Download full textHornblum, Judith N.; Overton, Willis F. – 1974
Several studies have shown that the elderly do not perform well on the Piagetian problems of logical thinking; the present set of studies aimed at demonstrating that the elderly maintain the competence to solve such problems. The first study performed by the authors assessed performance of 60 noninstitutionalized middle-class elderly females on…
Descriptors: Cognitive Measurement, Conservation (Concept), Logical Thinking, Older Adults
