Abstract: The aging of adults' intelligence were tested with WAIS-RC on 140 subjects. Seven age-groups of 20 to 90-yr-old subjects were matched in sex and educational level. The results were essentially the same as those of the "classical pattern" of the aging of adults' intelligence reported abroad, with lower scores in the Chinese 20-yr-old group. This indicates the influence of historical cultural background on the results of study with cross-section method. In addition, intelligence significantly correlates with memory (r=0.55), and the aging tendency of memory is similar to the scale score of the performance on intelligence test.

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