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| Day, Mary Carol | 1 |
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Download full textDanner, Fred W.; Day, Mary Carol – 1975
There is considerable disagreement concerning the age of onset and universality of attainment of Piaget's stage of formal operations. This study examines developmental differences in response to brief prompts in the use of a formal operational approach to the solution of two tasks. The subjects were 10 males and 10 females from each of Grades 5,…
Descriptors: Adolescents, Cognitive Processes, Developmental Psychology, Developmental Tasks
