WAIS-IV and Clinical Validation of the Four- and Five-Factor Interpretative Approaches

Lawrence G. Weiss, Timothy Z. Keith, Jianjun Zhu, Hsin-Yi Chen

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

The fourth edition of the Wechsler Adult Intelligence Scale (WAIS-IV) is a revised and substantially updated version of its predecessor. The purposes of this research were to determine the constructs measured by the test and the consistency of measurement across large normative and clinical samples. Competing higher order WAIS-IV four- and five-factor models were analyzed using the WAIS-IV's sample of 1,800 normative adults and 411 clinical adults. When all 15 WAIS-IV subtests were considered, both four- and five-factor models were suitable, but the five-factor model provided a better fit. The WAIS-IV PRI differentiated into two composites as follows: POI(Gv) consisting of Block Design, Visual Puzzles and Picture Completion; and FRI(Gf) consisting Matrix Reasoning, Arithmetic and Figure Weights. The five-factor solution included Quantitative Reasoning (RQ), consisting of Arithmetic and Figure Weights, as a narrow ability subsumed under FRI(Gf). Arithmetic, Vocabulary, and Figure Weights subtests had the highest g loadings. Cancellation had the lowest g loading. The WAIS-IV generally demonstrated full factor invariance between clinical and nonclinical samples.

Original languageEnglish
Pages (from-to)94-113
Number of pages20
JournalJournal of Psychoeducational Assessment
Volume31
Issue number2
DOIs
Publication statusPublished - 2013 Apr 1

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Weights and Measures
Aptitude
Vocabulary
Intelligence
edition
intelligence
vocabulary
ability
Research

Keywords

  • MG-MACS
  • Wechsler scales
  • measurement invariance

ASJC Scopus subject areas

  • Education
  • Clinical Psychology
  • Psychology(all)

Cite this

WAIS-IV and Clinical Validation of the Four- and Five-Factor Interpretative Approaches. / Weiss, Lawrence G.; Keith, Timothy Z.; Zhu, Jianjun; Chen, Hsin-Yi.

In: Journal of Psychoeducational Assessment, Vol. 31, No. 2, 01.04.2013, p. 94-113.

Research output: Contribution to journalArticle

Weiss, Lawrence G. ; Keith, Timothy Z. ; Zhu, Jianjun ; Chen, Hsin-Yi. / WAIS-IV and Clinical Validation of the Four- and Five-Factor Interpretative Approaches. In: Journal of Psychoeducational Assessment. 2013 ; Vol. 31, No. 2. pp. 94-113.
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