Factor structure of the construct of adaptive behavior in children with and without intellectual disability

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Although the presence of significant limitations in adaptive behavior constitutes one of the three necessary criteria for diagnosing intellectual disability, adaptive behavior structure has always been the subject of considerable controversy among researchers. The main goal of this study is to extend previous research results that provide further support to a multidimensional structure of conceptual, social, and practical skills compared to the unidimensional structure. One-factor and 3-correlated factors models as measured by 15 observable indicators were analyzed by means of confirmatory factor analysis (CFA), as well as their relationships with one second-order factor (i.e., adaptive behavior). To that end, 388 children with and without intellectual disabilities were assessed with the Diagnostic Adaptive Behavior Scale (DABS). Results of CFA indicated that the 3 first-order factors solution provides the best fit to the data. Reliability and validity of the multidimensional model were also analyzed through different methods such as the composite reliability and the average variance extracted. Finally, implications of these findings and possible directions for future research are discussed. © 2012 Asociación Española de Psicología Conductual. Published by Elsevier España, S.L.




Arias, B., Verdugo, M. Á., Navas, P., & Gómezc, L. E. (2013). Factor structure of the construct of adaptive behavior in children with and without intellectual disability. International Journal of Clinical and Health Psychology, 13(2), 155–166. https://doi.org/10.1016/S1697-2600(13)70019-X

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