Interrelations of age, self-reported health, speed, and memory.
نویسندگان
چکیده
Contributions of self-reported health to adult age differences in perceptual speed and memory were assessed for 301 adults ages 20-90. Participants were asked 4 health status questions, given 3 perceptual speed tests, 2 working memory tests, and 2 memory tests. Self-reported health was found to predict speed better than it predicted memory. Covariance structural equation modeling was used to assess the relations among age, self-reported health, perceptual speed, working memory, and memory. The results support the hypothesis that any effects of self-reported health on age differences in memory are mediated by perceptual speed.
منابع مشابه
Interrelations of age, health, and speed.
Latent construct structural equation modeling of the relations among age, self-rated health, and speed was conducted with two samples, each containing 372 adults between 18 and 87 years of age. The major results were confirmed in both samples. Self-rated health, sensory-motor speed, perceptual speed, and reaction time speed all decreased as age increased, but health only partially mediated the ...
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ورودعنوان ژورنال:
- Psychology and aging
دوره 12 4 شماره
صفحات -
تاریخ انتشار 1997