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Measuring Components of Intelligence: Mission Impossible?
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Gregoire, Jacques – Journal of Psychoeducational Assessment, 2013
The two studies conducted by Weiss, Keith, Zhu, and Chen in 2013 on the Wechsler Adult Intelligence Scale (WAIS-IV) and the Wechsler Intelligence Scale for Children (WISC-IV), respectively, provide strong evidence for the validity of a four-factor solution corresponding to the current hierarchical model of both scales. These analyses support the…
Descriptors: Intelligence Tests, Factor Analysis, Scores, Hierarchical Linear Modeling
Identifying Gifted Students in Puerto Rico: Validation of a Spanish Translation of the Gifted Rating Scales
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Rosado, Javier I.; Pfeiffer, Steven; Petscher, Yaacov – Gifted Education International, 2015
The challenge of correctly identifying gifted students is a critical issue. Gifted education in Puerto Rico is marked by insufficient support and a lack of appropriate identification methods. This study examined the reliability and validity of a Spanish translation of the "Gifted Rating Scales-School Form" (GRS) with a sample of 618…
Descriptors: Identification, Gifted, Puerto Ricans, Grades (Scholastic)
WISC-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 purpose of this study was to determine the constructs measured by the WISC-IV and the consistency of measurement across large normative and clinical samples. Competing higher order four- and five-factor models were analyzed using the WISC-IV normative sample and clinical subjects. The four-factor solution is the model published with the test…
Descriptors: Measures (Individuals), Logical Thinking, Validity, Factor Analysis
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
Measurement Invariance of Core Cognitive Abilities in Heterogeneous Neurological and Community Samples
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Bowden, Stephen C.; Cook, Mark J.; Bardenhagen, Fiona J.; Shores, E. Arthur; Carstairs, Jane R. – Intelligence, 2004
Confirmatory factor analysis of Australian adaptations of combined Wechsler Adult Intelligence Scale-Revised (WAIS-R) and Wechsler Memory Scale-Revised (WMS-R) scores was conducted in a sample of 277 participants undergoing investigation for neurological disorders. The best-fitting model was a six-factor model representing the latent abilities of…
Descriptors: Cognitive Ability, Factor Analysis, Neurological Impairments, Measures (Individuals)
Structural Validity of the WAIS-III among Postsecondary Students
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Watkins, Marley W.; Kuterbach, James M.; Morgan, Rebecca J.; FitzGerald, Julie L.; Neuhard, Rachel M.; Arthur, April G.; Bucknavage, Leah B. – Journal of Postsecondary Education and Disability, 2004
The recent influx of students with disabilities into postsecondary education has generated a concomitant increase in the demand for psychoeducational assessments that include a measure of cognitive ability, either to identify ability-achievement discrepancies or to rule out alternate or comorbid diagnoses. The most commonly recommended cognitive…
Descriptors: Validity, Disabilities, Factor Analysis, Psychometrics