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ERIC Number: EJ1165818
Record Type: Journal
Publication Date: 2018-Feb
Pages: 18
Abstractor: As Provided
ISSN: ISSN-0033-3085
Investigating the Theoretical Structure of the DAS-II Core Battery at School Age Using Bayesian Structural Equation Modeling
Dombrowski, Stefan C.; Golay, Philippe; McGill, Ryan J.; Canivez, Gary L.
Psychology in the Schools, v55 n2 p190-207 Feb 2018
Bayesian structural equation modeling (BSEM) was used to investigate the latent structure of the Differential Ability Scales-Second Edition core battery using the standardization sample normative data for ages 7-17. Results revealed plausibility of a three-factor model, consistent with publisher theory, expressed as either a higher-order (HO) or a bifactor (BF) model. The results also revealed an alternative structure with the best model fit, a two-factor BF model with Matrices (MA) and Sequential and Quantitative Reasoning (SQ) loading on g only with no respective group factor loading. This was only the second study to use BSEM to investigate the structure of a commercial ability test and the first to use a large normative sample and the specification of both approximate zero cross-loadings and correlated residual terms. It is believed that the results produced from the current study will advance the field's understanding of not only the factor structure of the DAS-II core battery but also the potential utility of BSEM in psychometric investigations of intelligence test structures.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Assessments and Surveys: Differential Aptitude Test
Grant or Contract Numbers: N/A