Null sex differences in general intelligence among elderly
نویسندگان
چکیده
The g factor is common to a wide set of cognitive abilities and it is usually considered the most important predictor of success both in academia and everyday life. The information provided by summary intelligence scores, such as IQ, may or may not involve the g factor. This must be explicitly tested. With this main purpose in mind here we analyzed the Italian standardization sample of the Wechsler Adult Intelligence Scale-Revised (WAIS-R) for aged individuals, which was administered to 1168 healthy older adults from 65 to 84 years (584 men and 584 women). Their mean education was equivalent to 6.0 years of formal schooling (SD = 3.6). The average sex difference in FSIQ was equivalent to 7 IQ points favouring men. However, Multi-Group Confirmatory Factor Analysis revealed a null average sex difference in g. 2014 Elsevier Ltd. All rights reserved.
منابع مشابه
Null sex differences in general intelligence: evidence from the WAIS-III.
There is an increasing number of studies claiming that the sex differences in general intelligence are "real." The empirical evidence is based on the summation of the standardized sex differences in several cognitive batteries. However, the scientific construct of general ability rests on the correlations among test scores, rather than on their summation. The latter (ability in general) is an a...
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