General and Specific Effects on Cattell-Horn-Carroll Broad Ability Composites: Analysis of the Woodcock-Johnson III Normative Update Cattell-Horn-Carroll Factor Clusters Across Development

Many school psychologists focus their interpretation on composite scores from intelligence test batteries designed to measure the broad abilities from the Cattell-Horn-Carroll theory. The purpose of this study was to investigate the general factor loadings and specificity of the broad ability compos...

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Bibliographic Details
Published in:School psychology review 2009-06, Vol.38 (2), p.249-265
Main Authors: Floyd, Randy G., McGrew, Kevin S., Barry, Amberly, Rafael, Fawziya, Rogers, Joshua
Format: Article
Language:English
Subjects:
Ability tests
Auditory Perception
Auditory Stimuli
Batteries
Cognition & reasoning
Cognitive Ability
Cognitive learning
Cognitive load
Cognitive Processes
Data Analysis
Design
Evidence
Factor Analysis
Intellectual disabilities
Intelligence
Intelligence Tests
Job Performance
Management
Measures (Individuals)
Multivariate Analysis
Psychological Testing
Psychologists
Resistance (Psychology)
School Psychologists
School Psychology
Scores
Spatial Ability
Test Interpretation
Theory
United States
Validity
Visual Learning
Woodcock Johnson Tests of Cognitive Ability
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Summary:Many school psychologists focus their interpretation on composite scores from intelligence test batteries designed to measure the broad abilities from the Cattell-Horn-Carroll theory. The purpose of this study was to investigate the general factor loadings and specificity of the broad ability composite scores from one such intelligence test battery, the Woodcock-Johnson III Tests of Cognitive Abilities Normative Update (Woodcock, McGrew, Schrank, & Mather, 2007). Results from samples beginning at age 4 and continuing through age 60 indicate that Comprehension-Knowledge, Long-Term Retrieval, and Fluid Reasoning appear to be primarily measures of the general factor at many ages. In contrast, Visual-Spatial Thinking, Auditory Processing, and Processing Speed appear to be primarily measures of specific abilities at most ages. We offer suggestions for considering both the general factor and specific abilities when interpreting Cattell-Horn-Carroll broad ability composite scores.
ISSN:0279-6015
2372-966X
2372-966X
DOI:10.1080/02796015.2009.12087836