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. 2005 Mar;17(1):15-27.
doi: 10.1037/1040-3590.17.1.15.

Development and validation of a brief version of the dyadic adjustment scale with a nonparametric item analysis model

Stéphane Sabourin  1 , Pierre Valois, Yvan Lussier
Affiliations

Development and validation of a brief version of the dyadic adjustment scale with a nonparametric item analysis model

Stéphane Sabourin et al. Psychol Assess. 2005 Mar.

Abstract

The main purpose of the current research was to develop an abbreviated form of the Dyadic Adjustment Scale (DAS) with nonparametric item response theory. The authors conducted 5 studies, with a total participation of 8,256 married or cohabiting individuals. Results showed that the item characteristic curves behaved in a monotonically increasing function for all items of the brief 4-item version of the DAS (DAS-4). The DAS-4 proved to be informative at all levels of couple satisfaction. Compared with the 32-item version of the DAS (DAS-32), it was as effective in predicting couple dissolution and was significantly less contaminated by socially desirable responding. In addition, structural equation modeling demonstrated that the underlying latent construct measured by the DAS-4 was very stable over a 2-year period. This brief version has the advantage of being less time consuming and constitutes a promising alternative to the original DAS-32 for clinicians and researchers.

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