Factor structure and measurement invariance of the Childhood Executive Functioning Inventory (CHEXI) across parents and teachers in Portuguese children

Abstract

The Childhood Executive Functioning Inventory (CHEXI) is a rating scale that evaluates everyday behaviors associated with executive functions in children. This study aimed to investigate the factor structure and the measurement invariance across parents and teachers of the CHEXI in a sample of 279 Portuguese typically developing children (6 to 12 years old, n = 160 girls and n = 119 boys). Most studies only analyzed the original two-factor model, and the few that investigated the four-factor model found a nearly identical fit between both factor structures. Confirmatory factor analysis was used to test five competing factor models and the four-factor models (slightly better than the two-factor model) demonstrated the most adequate fit to the data for both parents and teachers. The CHEXI showed adequate reliability and convergent validity with the BRIEF2. The measurement invariance of the four-factor model across parents and teachers was fully supported (configural, metric, and scalar invariance). Overall, the CHEXI showed adequate psychometric properties, suggesting that is a useful instrument to assess executive functioning based on reports of behaviors observed by parents and teachers in Portuguese typically developing children.

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