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Canivez, Gary L.1
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Investigation of the Factor Structure of the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV): Exploratory and Higher Order Factor Analyses
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Canivez, Gary L.; Watkins, Marley W. – Psychological Assessment, 2010
The present study examined the factor structure of the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV; D. Wechsler, 2008a) standardization sample using exploratory factor analysis, multiple factor extraction criteria, and higher order exploratory factor analysis (J. Schmid & J. M. Leiman, 1957) not included in the WAIS-IV Technical…
Descriptors: Intelligence, Factor Structure, Measures (Individuals), Factor Analysis
Are Intelligence Tests Measurement Invariant over Time? Investigating the Nature of the Flynn Effect
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Wicherts, Jelte M.; Dolan, Conor V.; Hessen, David J.; Oosterveld, Paul; van Baal, G. Caroline M.; Boomsma, Dorret I.; Span, Mark M. – Intelligence, 2004
The gains of scores on standardized intelligence tests (i.e., Flynn effect) have been the subject of extensive debate concerning their nature, causes, and implications. The aim of the present study is to investigate whether five intelligence tests are measurement invariant with respect to cohort. Measurement invariance implies that gains over the…
Descriptors: Intelligence Tests, Aptitude Tests, Factor Analysis, Measurement