Administered a verbal fluency task and a WAIS to two groups of Ss (one that ranged from 20 to 59 years and the other from 60 to 94 years). In the younger group there were no significant differences in verbal fluency across three IQ or across four decade age ranges. In the older group there were no significant differences across the four decade age ranges, but there were significant differences across the three IQ ranges. A comparison across the three IQ ranges of a ratio of easy letters with many associations to hard letters with few associations was not significant for either group, which suggests that IQ did not interact with task difficulty.
To extend the norms of the Wechsler Memory Scale, Form I, to older age groups, the test was administered to 64 Ss 60 years of age and older. Because there was significant correlation between WMS performance and IQ, the results were broken down further into IQ ranges. In addition to the standard administration of the WMS, a 1-hour delayed recall of the Logical Memory subtest was included. Performance on the delayed recall task by 51 younger Ss also was presented.
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