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Watkins, Marley W.; Wilson, Sharise M.; Kotz, Kasey M.; Carbone, Maria C.; Babula, Teresa – Educational and Psychological Measurement, 2006
Factor analysis was applied to the Wechsler Intelligence Scale for Children--Fourth Edition (WISC-IV) scores of 432 Pennsylvania students referred for evaluation for special education services to determine the factor structure of the WISC-IV with this population. A first-order, four-factor oblique solution that mirrored that found in the WISC-IV…
Descriptors: Factor Structure, Intelligence Tests, Factor Analysis, Scores
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Watkins, Marley W.; Greenawalt, Chris G.; Marcel, Catherine M. – Educational and Psychological Measurement, 2002
Applied factor analysis to the Wechsler Intelligence Scale for Children-Third Edition (WISC-III) scores for 505 gifted students, to evaluate the construct validity of the WISC-III with this population. Results are consistent with the hypothesis that subtests that emphasize speed of reading are not valid for gifted children and suggest that an…
Descriptors: Construct Validity, Elementary Education, Elementary School Students, Factor Analysis