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Cunningham, Walter R. – Intelligence, 1980
The generality of ability factor structure in adulthood and old age was investigated. Data were analyzed for 198 young individuals (15-32 years), 156 younger old individuals (53-68 years), and 156 older old individuals (69-91). Variables were nine tests marking three ability factors. (Author/CTM)
Descriptors: Adult Development, Adults, Cognitive Development, Cognitive Processes