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Dustman, Robert E.; Beck, Edward C. – Journal of Clinical Psychology, 1980
No significant decline in performance occurred before age 50. Decline in Memory-For-Designs Test performance after age 60 is sufficient to suggest caution in the use of the test for evaluation of brain damage in the older patient. (Author)
Descriptors: Adults, Age Differences, Comparative Analysis, Diagnostic Tests
Lee, Jo Ann; Pollack, Robert H. – 1973
Witkin's Embedded Figures Test (EFT) was used to measure the changes with age in field dependence and problem-solving ability. Qualitative data concerning problem-solving strategies and quantitative data were collected. EFT was administered to 12 females in each of the following decades: 20s, 30s, 40s, 50s, 60s, 70s. All subjects were moderately…
Descriptors: Age, Age Differences, Cognitive Processes, Females