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Investigating the Theoretical Structure of the DAS-II Core Battery at School Age Using Bayesian Structural Equation Modeling
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Dombrowski, Stefan C.; Golay, Philippe; McGill, Ryan J.; Canivez, Gary L. – Psychology in the Schools, 2018
Bayesian structural equation modeling (BSEM) was used to investigate the latent structure of the Differential Ability Scales-Second Edition core battery using the standardization sample normative data for ages 7-17. Results revealed plausibility of a three-factor model, consistent with publisher theory, expressed as either a higher-order (HO) or a…
Descriptors: Structural Equation Models, Bayesian Statistics, Factor Analysis, Aptitude Tests
Factor Structure of the Differential Ability Scales--Second Edition Core Subtests: Standardization Sample Confirmatory Factor Analyses
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Canivez, Gary L.; McGill, Ryan J.; Dombrowski, Stefan C. – Journal of Psychoeducational Assessment, 2020
The present study examined the factor structure of the Differential Ability Scales--Second Edition (DAS-II) core subtests from the standardization sample via confirmatory factor analysis (CFA) using methods (bifactor modeling and variance partitioning) and procedures (robust model estimation due to nonnormal subtest score distributions)…
Descriptors: Factor Structure, Intelligence Tests, Factor Analysis, Age Groups
Confirmatory Factor Analyses of the WISC-IV Spanish Core and Supplemental Subtests: Validation Evidence of the Wechsler and CHC Models
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McGill, Ryan J.; Canivez, Gary L. – International Journal of School & Educational Psychology, 2018
The present study examined the factor structure of the Wechsler Intelligence Scale for Children-Fourth Edition, Spanish (WISC-IV Spanish, Wechsler, 2005a) with normative sample participants aged 6-16 years (N = 500) using confirmatory factor analytic techniques not reported in the WISC-IV Spanish Manual (Wechsler, 2005b). For the 10 core subtest…
Descriptors: Children, Intelligence Tests, Factor Analysis, Construct Validity
Construct Validity of the Wechsler Intelligence Scale for Children-Fourth UK Edition with a Referred Irish Sample: Wechsler and Cattell-Horn-Carroll Model Comparisons with 15 Subtests
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Canivez, Gary L.; Watkins, Marley W.; Good, Rebecca; James, Kate; James, Trevor – British Journal of Educational Psychology, 2017
Background: Irish educational psychologists frequently use the Wechsler Intelligence Scale for Children-Fourth UK Edition (WISC-IV[superscript UK]; Wechsler, 2004, Wechsler Intelligence Scale for Children-Fourth UK Edition, London, UK, Harcourt Assessment) in clinical assessments of children with learning difficulties. Unfortunately, reliability…
Descriptors: Construct Validity, Children, Intelligence Tests, Comparative Analysis
Construct Validity of the WISC-IV with a Referred Sample: Direct versus Indirect Hierarchical Structures
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Canivez, Gary L. – School Psychology Quarterly, 2014
The Wechsler Intelligence Scale for Children--Fourth Edition (WISC-IV) is one of the most frequently used intelligence tests in clinical assessments of children with learning difficulties. Construct validity studies of the WISC-IV have generally supported the higher order structure with four correlated first-order factors and one higher-order…
Descriptors: Intelligence Tests, Construct Validity, Children, Learning Problems
Construct Validity of the WISC-IV[superscript UK] with a Large Referred Irish Sample
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Watkins, Marley W.; Canivez, Gary L.; James, Trevor; James, Kate; Good, Rebecca – International Journal of School & Educational Psychology, 2013
Irish educational psychologists frequently use the Wechsler Intelligence Scale for Children-Fourth U.K. Edition (WISC-IV[superscript UK]) in clinical assessments of children with learning difficulties. Unfortunately, reliability and validity studies of the WISC-IV[superscript UK] have not yet been reported. This study examined the construct…
Descriptors: Construct Validity, Intelligence Tests, Children, Learning Disabilities
Long-Term Stability of Membership in a Wechsler Intelligence Scale for Children--Third Edition (WISC-III) Subtest Core Profile Taxonomy
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Borsuk, Ellen R.; Watkins, Marley W.; Canivez, Gary L. – Journal of Psychoeducational Assessment, 2006
Although often applied in practice, clinically based cognitive subtest profile analysis has failed to achieve empirical support. Nonlinear multivariate subtest profile analysis may have benefits over clinically based techniques, but the psychometric properties of these methods must be studied prior to their implementation and interpretation. The…
Descriptors: Intelligence Tests, Classification, Profiles, Multivariate Analysis