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Concept Formation | 4 |
Perceptual Development | 4 |
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Guttman, Ruth | 1 |
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Guttman, Ruth; Kahneman, Irah – Developmental Psychology, 1972
Study deals with a comparative developmental analysis of performances on the same task by four age groups. (MB)
Descriptors: Age Differences, Comparative Analysis, Concept Formation, Developmental Psychology

Schneider, Gary A.; Giambra, Leonard M. – Journal of Personality and Social Psychology, 1971
Descriptors: Cognitive Processes, Concept Formation, Difficulty Level, Information Processing

Mohanty, A.; Stewin, L. L. – Alberta Journal of Educational Research, 1976
Cultural, ecological, and educational variables in relation to magical thinking, perceptual flexibility, and logical reasoning seem to be crucial in development of children's judgments and explanations in conservation tasks. (Author)
Descriptors: Cognitive Development, Concept Formation, Conservation (Concept), Cross Cultural Studies
Soraci, S. A., Jr.; And Others – American Journal on Mental Retardation, 1990
Children with mental retardation are particularly prone to failure on relational tasks such as oddity and match-to-sample, suggesting a differential sensitivity to relational information. This paper reports on several studies in which characteristics of stimulus arrays were enhanced. Results demonstrated the theoretical and practical significance…
Descriptors: Attention Control, Cognitive Development, Concept Formation, Discrimination Learning