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An Examination of the Convergent Validity of the ICAR16 and WAIS-IV
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Young, Stephanie R.; Keith, Timothy Z. – Journal of Psychoeducational Assessment, 2020
The construct validity of the International Cognitive Ability Resource (ICAR) has yet to be investigated using a gold-standard individually administered intelligence battery. The present study used a convenience sample of 97 students to examine the respective relations between the ICAR16 and overall intelligence (g) and the Cattell-Horn-Carroll…
Descriptors: Test Validity, Adults, Intelligence Tests, Cognitive Ability
WAIS-IV and Clinical Validation of the Four- and Five-Factor Interpretative Approaches
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Weiss, Lawrence G.; Keith, Timothy Z.; Zhu, Jianjun; Chen, Hsinyi – Journal of Psychoeducational Assessment, 2013
The fourth edition of the Wechsler Adult Intelligence Scale (WAIS-IV) is a revised and substantially updated version of its predecessor. The purposes of this research were to determine the constructs measured by the test and the consistency of measurement across large normative and clinical samples. Competing higher order WAIS-IV four- and…
Descriptors: Intelligence Tests, Measures (Individuals), Adults, Factor Analysis
Hierarchical Confirmatory Analysis of the Stanford-Binet Fourth Edition: Testing the Theory--Test Match.
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Keith, Timothy Z.; And Others – 1988
The Stanford-Binet Intelligence Scale: Fourth Edition is a conceptually new version of this traditional intelligence scale. The new scale has a solid basis in theory, but there is little evidence that the Binet matches its intended theory. This study was designed to determine whether the Binet corresponds to the theory that guided its…
Descriptors: Adolescents, Adults, Age Differences, Age Groups