Confirmatory factor analysis of combined Wechsler adult intelligence scale - revised and Wechsler memory scale - revised scores in a healthy community sample

Stephen C. Bowden*, Jane R. Carstairs, E. Arthur Shores

*Corresponding author for this work

    Research output: Contribution to journalArticle

    34 Citations (Scopus)

    Abstract

    This study examined the joint factor structure of the Wechsler Adult Intelligence Scale - Revised (D. Wechsler, 1981) and Wechsler Memory Scale - Revised (D. Wechsler, 1987) in a sample of 399 healthy young adults (206 women and 193 men) recruited for a normative study in Sydney Australia; the Macquarie University Neuropsychological Normative Study. Using confirmatory factor analysis, the authors contrasted alternative models of ability in the respective Wechsler scales, focusing in particular on hypotheses relating to memory function. The best-fitting solution comprised a model representing Verbal Comprehension, Perceptual Organization, Attention-Concentration, Verbal Memory and Visual Memory. The results are discussed in terms of the incremental validity of ability assessment, potential for improvement in model-fit, and implications for professional practice.

    Original languageEnglish
    Pages (from-to)339-344
    Number of pages6
    JournalPsychological Assessment
    Volume11
    Issue number3
    DOIs
    Publication statusPublished - Sep 1999

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