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Direct linkWatkins, Marley W.; Canivez, Gary L. – School Psychology Review, 2022
IQ tests provide numerous scores, but valid interpretation of those scores is dependent on how precisely each score reflects its intended construct and whether it provides unique information independent of other constructs. Thus, IQ scores must be evaluated for their reliability and dimensionality to determine their psychometric utility. As a…
Descriptors: Children, Intelligence Tests, Scores, Psychometrics
Dombrowski, Stefan C.; McGill, Ryan J.; Canivez, Gary L.; Watkins, Marley W.; Beaujean, A. Alexander – Journal of Psychoeducational Assessment, 2021
This article addresses conceptual and methodological shortcomings regarding conducting and interpreting intelligence test factor analytic research that appeared in the Decker, S. L., Bridges, R. M., Luedke, J. C., & Eason, M. J. (2020). Dimensional evaluation of cognitive measures: Methodological confounds and theoretical concerns.…
Descriptors: Factor Analysis, Intelligence Tests, Psychoeducational Methods, Error Patterns
Fenollar-Cortés, Javier; Watkins, Marley W. – International Journal of School & Educational Psychology, 2019
The construct validity of the Spanish Version of the Wechsler Intelligence Scale for Children Fifth Edition (WISC-V[superscript Spain]) was investigated via confirmatory factor analysis. For all 15 subtests, the higher-order model preferred by Wechsler (2015b) contained five group factors but lacked discriminant validity. A bifactor model with…
Descriptors: Children, Intelligence Tests, Construct Validity, Test Reliability
Dombrowski, Stefan C.; Canivez, Gary L.; Watkins, Marley W. – Contemporary School Psychology, 2018
The Wechsler Intelligence Scale for Children-Fifth Edition (WISC-V; Wechsler 2014a) "Technical and Interpretation Manual" (Wechsler 2014b) dedicated only a single page to discussing the 10-subtest WISC-V primary battery across the entire 6 to 16 age range. Users are left to extrapolate the structure of the 10-subtest battery from the…
Descriptors: Factor Structure, Children, Intelligence Tests, Test Reliability
Canivez, Gary L.; Watkins, Marley W.; McGill, Ryan J. – British Journal of Educational Psychology, 2019
Background: There is inadequate information regarding the factor structure of the Wechsler Intelligence Scale for Children -- Fifth UK Edition (WISC-V[superscript UK]; Wechsler, 2016a, Wechsler Intelligence Scale for Children-Fifth UK Edition, Harcourt Assessment, London, UK) to guide interpretation. Aims and methods: The WISC-V[superscript UK]…
Descriptors: Children, Intelligence Tests, Construct Validity, Factor Analysis
Fenollar-Cortés, Javier; López-Pinar, Carlos; Watkins, Marley W. – International Journal of School & Educational Psychology, 2019
The factorial structure of the WISC-IV for 859 Spanish children diagnosed with ADHD was examined. A bifactor model with the four factors first identified by Wechsler (2003a) was the best fit to the data. The Coding and Symbol Search subtests were particularly poor measures of "g" but relatively strong measures of the Processing Speed…
Descriptors: Foreign Countries, Intelligence Tests, Attention Deficit Hyperactivity Disorder, Test Validity
Watkins, Marley W.; Dombrowski, Stefan C.; Canivez, Gary L. – International Journal of School & Educational Psychology, 2018
The reliability and factorial validity of the Wechsler Intelligence Scale for Children--Fifth Edition: Canadian (WISC-V[superscript CDN]) was investigated. The higher-order model preferred by Wechsler (2014b) contained five group factors but lacked discriminant validity. An alternative bifactor model with four group factors and one general factor,…
Descriptors: Foreign Countries, Children, Intelligence Tests, Test Validity
Reyes, Roland S.; McDermott, Paul A.; Watkins, Marley W.; Rovine, Michael J.; Chao, Jessica L. – School Psychology Review, 2020
This study compared the relative contribution of earliest assessment of preschool children's context-specific problem behaviors with subsequent observations of those behaviors for the prediction of later academic and sociobehavioral performance in first grade. Using a nationally representative sample of low-income children from the Head Start…
Descriptors: Accuracy, Predictive Validity, Preschool Children, Behavior Problems
Styck, Kara M.; Watkins, Marley W. – Journal of Learning Disabilities, 2016
The structural validity of the "Wechsler Intelligence Scale for Children-Fourth Edition" (WISC-IV) was evaluated using confirmatory factor analysis for a clinical sample of 1,537 students diagnosed with specific learning disabilities (SLD) by school psychologists in two large southwestern school districts. Results indicated that a…
Descriptors: Intelligence Tests, Children, Test Validity, Factor Analysis
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
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
Devena, Sarah E.; Gay, Catherine E.; Watkins, Marley W. – Journal of Psychoeducational Assessment, 2013
Confirmatory factor analysis was used to determine the factor structure of the Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV) scores of 297 children referred to a children's hospital in the Southwestern United States. Results support previous findings that indicate the WISC-IV is best represented by a direct hierarchical…
Descriptors: Intelligence Tests, Factor Analysis, Factor Structure, Children
Pendergast, Laura L.; Watkins, Marley W.; Canivez, Gary L. – Educational Psychology, 2014
Homework is a requirement for most school-age children, but research on the benefits and drawbacks of homework is limited by lack of psychometrically sound measurement of homework performance. This study examined the structural and convergent validity of scores from the newly developed Homework Performance Questionnaire -- Teacher Scale (HPQ-T).…
Descriptors: Homework, Measures (Individuals), Questionnaires, Validity
Power, Thomas J.; Watkins, Marley W.; Mautone, Jennifer A.; Walcott, Christy M.; Coutts, Michael J.; Sheridan, Susan M. – School Psychology Quarterly, 2015
Methods for measuring homework performance have been limited primarily to parent reports of homework deficits. The Homework Performance Questionnaire (HPQ) was developed to assess the homework functioning of students in Grades 1 to 8 from the perspective of both teachers and parents. The purpose of this study was to examine the factorial validity…
Descriptors: Homework, Questionnaires, Elementary School Students, Middle School Students
Nakano, Selena; Watkins, Marley W. – Psychology in the Schools, 2013
The Native American population is severely underrepresented in empirical test validity research despite being overrepresented in special education programs and at increased risk for psychoeducational evaluation. The structural validity of the Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV) was investigated with a sample of 176,…
Descriptors: American Indian Students, Disproportionate Representation, Special Education, Test Validity
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