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Confirmatory Factor Analysis of the WAIS-IV/WMS-IV
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Holdnack, James A.; Zhou, Xiaobin; Larrabee, Glenn J.; Millis, Scott R.; Salthouse, Timothy A. – Assessment, 2011
The Wechsler Adult Intelligence Scale-fourth edition (WAIS-IV) and the Wechsler Memory Scale-fourth edition (WMS-IV) were co-developed to be used individually or as a combined battery of tests. The independent factor structure of each of the tests has been identified; however, the combined factor structure has yet to be determined. Confirmatory…
Descriptors: Factor Structure, Measures (Individuals), Short Term Memory, Factor Analysis
Factor Structure of the Norwegian Version of the WAIS-III in a Clinical Sample: The Arithmetic Problem
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Egeland, Jens; Bosnes, Ole; Johansen, Hans – Assessment, 2009
Confirmatory Factor Analyses (CFA) of the Wechsler Adult Intelligence Scale-III (WAIS-III) lend partial support to the four-factor model proposed in the test manual. However, the Arithmetic subtest has been especially difficult to allocate to one factor. Using the new Norwegian WAIS-III version, we tested factor models differing in the number of…
Descriptors: Factor Analysis, Intelligence Tests, Norwegian, Factor Structure
Revisiting the Factor Structure of the WAIS-R: Insights through Nested Factor Modeling
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Gignac, Gilles E. – Assessment, 2005
Past attempts to model via confirmatory factor analysis (CFA) the Wechsler Adult Intelligence Scale-Revised (WAIS-R) intersubtest covariation have used an oblique factor or a higher order modeling approach. The attempts have failed to yield adequate model fit, based on current CFA recommendations. Using the WAIS-R standardization data, it is…
Descriptors: Arithmetic, Intelligence, Factor Structure, Factor Analysis
A Horn Analysis of the Factors Measured by the WAIS-R, Kaufman Adolescent and Adult Intelligence Test (KAIT), and Two New Brief Cognitive Measures for Normal Adolescents and Adults.
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Kaufman, Alan S.; And Others – Assessment, 1994
Data from 255 normal individuals were factor analyzed. Variables included subtests from the Wechsler Adult Intelligence Scale-Revised (WAIS-R), the Kaufman Adolescent and Adult Intelligence Test (KAIT), and two new brief measures. Results are interpreted in the context of previous Horn analyses of the KAIT and WAIS-R. (SLD)
Descriptors: Adolescents, Adults, Factor Analysis, Factor Structure