Conference presentation
English

Construct validity of the French WISC-V : Analyzes based on a clinical sample

ContributorsDoll, Saloméorcid
Presented at15th European Conference on Psychological Assessment, Brussels, Belgium, 7-10 July
Publication date2019
Abstract

The French WISC-V has a hierarchical structure, with a general intelligence factor and five group factors: Verbal Comprehension, Visual Spatial, Fluid Reasoning, Working Memory and Processing Speed. This five-factor structure only relies on Confirmatory Factor Analyses, setting aside Exploratory Factor Analyses. However, studies on the standardization sample failed to support this five first-order structure, and suggested a bi-factorial structure with only four group factors, which explained a weak part of the variance. The goal of our study was to use Exploratory Factor Analyzes to explore the structure of the French WISC-V with a clinical sample of children with diagnostic of neurodevelopmental disorders (Language Disorder, Attention-Deficit/Hyperactivity Disorder, Specific Learning Disorder, Developmental Coordination Disorder). The current sample consists of 97 children aged from 6 to 16 years (mean age =9.51; SD = 2.64). Exploratory Factor Analyses with a promax rotation and a Schmid-Leiman transformation suggested a bi-factor structure with four first-order factors. Results suggested to merge the Visual Spatial and Fluid Reasoning into a Perceptual Reasoning factor. Results indicated that the g factor explained 42.3% of the common variance and that the group factors explained 5.6 to 23% of the common variance. These results replicate and confirm previous analyses based on the French standardization sample of the WISC-V.

Citation (ISO format)
DOLL, Salomé. Construct validity of the French WISC-V : Analyzes based on a clinical sample. In: 15th European Conference on Psychological Assessment. Brussels, Belgium. 2019.
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