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| Adult Development | 2 |
| Classification | 2 |
| Adults | 1 |
| Age Differences | 1 |
| Cognitive Measurement | 1 |
| Cognitive Processes | 1 |
| Cohort Analysis | 1 |
| Individual Development | 1 |
| Longitudinal Studies | 1 |
| Models | 1 |
| Older Adults | 1 |
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| Human Development | 2 |
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| Journal Articles | 1 |
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Peer reviewedMumford, M.D.; Owens, W.A. – Human Development, 1984
Determines patterns of differential human development in a longitudinal study of 417 male and 358 female college students ages 18 to 30. Findings suggest individuality in development is associated with significant qualitative individual differences that are best described on a cross-time basis. (BJD)
Descriptors: Adult Development, Classification, Cohort Analysis, Individual Development
Peer reviewedSinnott, J. D. – Human Development, 1975
Formal and familiar materials were used to test Piagetian classification and formal operational abilities in two groups of educated adults: one group aged 30-38 and the other aged 57-82 years. Subjects did not show mastery of the tasks. Results suggest a new model of cognitive lifespan development. (Author/MS)
Descriptors: Adult Development, Adults, Age Differences, Classification
