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Incremental Validity of WISC-IV[superscript UK] Factor Index Scores with a Referred Irish Sample: Predicting Performance on the WIAT-II[superscript UK]
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Canivez, Gary L.; Watkins, Marley W.; James, Trevor; Good, Rebecca; James, Kate – British Journal of Educational Psychology, 2014
Background: Subtest and factor scores have typically provided little incremental predictive validity beyond the omnibus IQ score. Aims: This study examined the incremental validity of Wechsler Intelligence Scale for Children-Fourth UK Edition (WISC-IV[superscript UK]; Wechsler, 2004a, "Wechsler Intelligence Scale for Children-Fourth UK…
Descriptors: Foreign Countries, Intelligence Tests, Achievement Tests, Test Validity
Distinctions without a Difference: The Utility of Observed versus Latent Factors from the WISC-IV in Estimating Reading and Math Achievement on the WIAT-II
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Glutting, Joseph J.; Watkins, Marley W.; Konold, Timothy R.; McDermott, Paul A. – Journal of Special Education, 2006
This study employed observed factor index scores as well as latent ability constructs from the "Wechsler Intelligence Scale for Children-Fourth Edition" (WISC-IV; Wechsler, 2003) in estimating reading and mathematics achievement on the "Wechsler Individual Achievement Test-Second Edition" (WIAT-II; Wechsler, 2002). Participants…
Descriptors: Measures (Individuals), Memory, Structural Equation Models, Multiple Regression Analysis