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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
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Culbertson, William C.; Zillmer, Eric A. – Assessment, 1998
The construct-related validity of the Tower of London-Drexel (TOL-DX), a measure of executive functioning (W. Culbertson and A. Zillmer, 1995) was studied with 129 children with attention-deficit hyperactivity disorder. Results show that the TOL-DX loads prominently on an Executive Planning/Inhibition factor while separating for factors…
Descriptors: Attention Deficit Disorders, Children, Construct Validity, Factor Structure
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Donders, Jacques – Assessment, 1997
The criterion validity of the factor index scores of the third edition of the Wechsler Intelligence Scale for Children (WISC-III) was evaluated in a sample of 88 children with traumatic head injury. Only the Perceptual Organization and Processing Speed scores demonstrated acceptable sensitivity to injury severity for evaluation use. (SLD)
Descriptors: Children, Evaluation Methods, Factor Analysis, Factor Structure