WAIS-R short-forms: Criterion validity in healthy and clinical samples

John Robertson Crawford, B Mychalkiw, D A Johnson, J W Moore

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Regression equations developed by Crawford, Allan & Jack (1992) to estimate full-length WAIS-R IQs from seven short-forms were evaluated in healthy (N = 153) and neurological (N = 471) cross-validation samples. In the healthy sample the correlations between the short-forms and full-length IQs did not differ significantly from those obtained by Crawford et al. (1992). In the neurological sample the six- and seven-subtest short-forms, proposed by Crawford et al. (1992) and Warrington, James & Maciejewski (1986) respectively, differed from the other short-forms in that they had significantly higher criterion validity coefficients and did not systematically under- or overestimate IQs.

Original languageEnglish
Pages (from-to)638-640
Number of pages3
JournalBritish Journal of Clinical Psychology
Publication statusPublished - Nov 1996


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