Abstract
A matched samples design was employed to compare the British versions of the WAIS (Wechsler, 1955; Saville, 1971) and WAIS-R (Wechsler, 1981; Lea, 1986) in terms of test difficulty. The WAIS yielded significantly higher IQs than the WAIS-R. The mean difference for Full Scale IQ was 8.2 IQ points, i.e. over half a standard deviation. Encouragingly for U.K. users of the Wechsler Scales, additional analysis suggested that the performance of the WAIS-R sample was consistent with an estimated U.K. population mean ∼ 100.
Original language | English |
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Pages (from-to) | 427-428 |
Number of pages | 2 |
Journal | Personality and Individual Differences |
Volume | 11 |
Issue number | 4 |
DOIs | |
Publication status | Published - 1990 |