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Direct linkDombrowski, 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
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
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
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
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
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
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
Styck, Kara M.; Watkins, Marley W. – Contemporary School Psychology, 2014
The Culture-Language Interpretive Matrix (C-LIM) was developed to help practitioners determine the validity of test scores obtained from students who are culturally and linguistically different from the normative group of a test. The present study used an idiographic approach to investigate the diagnostic utility of the C-LIM for the Wechsler…
Descriptors: Test Validity, Special Needs Students, Cultural Differences, Intelligence Tests
Szarko, Julia E.; Brown, Alec J.; Watkins, Marley W. – Journal of Applied School Psychology, 2013
The authors examined the difference in standardized test performance when familiar versus unfamiliar examiners tested 26 preschool and elementary-aged children with autism. The children were matched by age, severity, and developmental level and then randomly placed into familiar and unfamiliar examiner groups. Familiarity with the examiner was…
Descriptors: Familiarity, Standardized Tests, Autism, Examiners
McDermott, Paul A.; Watkins, Marley W.; Rovine, Michael J.; Rikoon, Samuel H. – Journal of School Psychology, 2013
This article reports the development and evidence for validity and application of the Adjustment Scales for Early Transition in Schooling (ASETS). Based on primary analyses of data from the Head Start Impact Study, a nationally representative sample (N = 3077) of randomly selected children from low-income households is configured to inform…
Descriptors: Factor Analysis, Test Validity, Disadvantaged Youth, Social Adjustment
Kush, Joseph C.; Watkins, Marley W. – Canadian Journal of School Psychology, 2007
Test bias research with Native American participants is uncommon, although individual tests of intelligence are often used with Native American students to determine eligibility for special education services. Only two studies with minimally adequate sample sizes have addressed the structural validity of major tests of intelligence in Native…
Descriptors: Test Bias, American Indians, School Psychologists, American Indian Education
Watkins, Marley W.; Coffey, Debra Young – Journal of Educational Psychology, 2004
The Motivations for Reading Questionnaire (MRQ) contains 54 items that are posited to tap 11 dimensions of reading motivation. The structural validity of the MRQ was investigated with 2 samples: (a) 328 students in Grades 3-5 from 2 suburban mid-Atlantic elementary schools and (b) 735 students in Grades 3-5 in 2 suburban southwestern elementary…
Descriptors: Elementary School Students, Elementary Education, Reading Motivation, Questionnaires
Peer reviewedWatkins, Marley W.; Kush, Joseph C.; Schaefer, Barbara A. – Journal of Learning Disabilities, 2002
This study compared students diagnosed with learning disabilities (n=2,053) and students without learning disabilities (n=2,200) on the Learning Disability Index (LDI). Subsamples of specific reading and math disabilities permitted further assessment. Analysis indicated the LDI resulted in a correct diagnostic decision only 55 to 64 percent of the…
Descriptors: Decision Making, Diagnostic Tests, Disability Identification, Elementary Secondary Education
Watkins, Marley W.; Canivez, Gary L. – Psychological Assessment, 2004
The Wechsler Intelligence Scale for Children--Third Edition (D. Wechsler, 1991; WISC-III) is often used to identify subtest-based cognitive strengths and weaknesses that are subsequently used to generate interventions. Given that intelligence is presumed to be an enduring trait, cognitive strengths and weaknesses identified via subtest analysis…
Descriptors: Intelligence, Intelligence Tests, Cognitive Ability, Children
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