Relations of age and personality dimensions to cognitive ability factors.
The relation between three cognitive ability factors - Information Processing Ability (IPA), Manual Dexterity (MD), and Pattern Analysis Capability (PAC) - and three personality dimensions - Anxiety, Extraversion, and Openness to Experience - were examined in three age groups. Subjects were 969 male volunteers ranging in age from 25 to 82. Subjects high in anixety scored lower on all three cognitive factors; subjects open to experience scored higher on IPA and PAC; and introverted subjects scored higher on PAC. Most of these effects remained when the education and socio-economic status were held constant in covariance analyses. Older subjects performed less well than younger ones on MD and PAC, but not on IPA. While personality has some influence on cognitive performance, the declines with age in performance on some cognitive tasks are not mediated by personality.
Costa, PT; Fozard, JL; McCrae, RR; Bosśe, R
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