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| Age Differences | 2 |
| Intelligence Differences | 2 |
| Older Adults | 2 |
| Adult Development | 1 |
| Adults | 1 |
| Age Groups | 1 |
| Cohort Analysis | 1 |
| Individual Development | 1 |
| Intelligence | 1 |
| Intelligence Tests | 1 |
| Measurement Instruments | 1 |
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Source
| American Psychologist | 1 |
Author
| Horn, John L. | 2 |
| Donaldson, Gary | 1 |
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Download full textHorn, John L. – 1971
The author reviews cross-sectional and longitudinal studies on the status of intelligence in the aging, and finds conflicting conclusions: (1) intelligence does decline as persons grow older; (2) only some aspects decline while others improve; and (3) intelligence does not decline. Certain factors are adduced to suggest that such…
Descriptors: Adults, Age Differences, Age Groups, Individual Development
Peer reviewedHorn, John L.; Donaldson, Gary – American Psychologist, 1977
Concludes "that the one seemingly serious effort of Baltes and Schaie to contest the points of the Horn-Donaldson criticisms only brings us around to the same sad conclusion: that no matter how one looks at the Schaie data, it suggests that, on the average, there is age decline in many important abilities of intelligence." (Author/JM)
Descriptors: Adult Development, Age Differences, Cohort Analysis, Intelligence Differences
