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Hubbs-Tait, Laura; And Others – 1979
A study of the responses made to problems selected from Raven's Progressive Matrices showed differences in the kinds of errors typically made by eighteen-year-old students. Nine problems were used and the 68 subjects were told to draw their answers on the answer sheets. There were two trials per puzzle. A classification system, devised for errors,…
Descriptors: Adolescents, Age Differences, Cognitive Development, Cognitive Processes
Download full textJunn, Ellen; Sugarman, Susan – 1983
A study investigated developments in reasoning and memory as reflected by the discovery strategies of children taking part in a manipulative categorization and recall task. A total of 40 children (8 each of 18, 24, 30, 36, and 42 months of age) participated. Stimulus materials consisting of blocks, toy plates, discs, and plastic trees were…
Descriptors: Age Differences, Cognitive Ability, Cognitive Development, Cognitive Processes
