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Denney, Douglas R.; Denney, Nancy Wadsworth – Developmental Psychology, 1973
Groups of middle-aged and elderly women were compared on problem solving behavior. Results indicated a decline in the use of classification skills among the elderly and an inability to use constraint-seeking questions. (ST)
Descriptors: Adults, Classification, Cognitive Development, Information Processing
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Cepeda, Nicholas J.; Kramer, Arthur F.; de Sather, Jessica C. M. Gonzalez – Developmental Psychology, 2001
Examined changes from age 7 to 82 years in processes responsible for preparation and interference control underlying alternation between two tasks. Found a U-shaped function for switch costs, with larger costs for young children and older adults. Age-related variance in task-switching performance was partially independent from age-related variance…
Descriptors: Adults, Age Differences, Children, Cognitive Development
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Denney, Douglas R.; And Others – Developmental Psychology, 1973
Results of this study demonstrate that constraint-seeking conceptual strategies can be trained in children as young as 6 years of age. (Authors/CB)
Descriptors: Children, Cognitive Development, Data Analysis, Developmental Psychology