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| Adult Development | 2 |
| Intellectual Development | 2 |
| Older Adults | 2 |
| Adults | 1 |
| Age | 1 |
| Aging (Individuals) | 1 |
| Cohort Analysis | 1 |
| Individual Differences | 1 |
| Longitudinal Studies | 1 |
| Mental Rigidity | 1 |
| Research | 1 |
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| Developmental Psychology | 2 |
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| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedLachman, Margie E.; Leff, Rona – Developmental Psychology, 1989
Examined the relation of control beliefs to individual differences in 63 elderly adults in 1981 and 1986. Over the 5 years, generalized control and intellectual performance did not change, but intellectual control beliefs did. (RJC)
Descriptors: Adult Development, Aging (Individuals), Individual Differences, Intellectual Development
Peer reviewedSchaie, K. Warner; Parham, Iris A. – Developmental Psychology, 1977
Cohort-sequential analyses were conducted on measures from the Primary Mental Abilities Test and the Test of Behavioral Rigidity for 2,151 participants at the first testing and 723 individuals at the retesting 7 years later. Data were examined for 7-year age intervals from 25 to 81 years and cohort intervals from 1889 to 1938. (Author/JMB)
Descriptors: Adult Development, Adults, Age, Cohort Analysis
