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Original Article

A Cross-National Study on the Psychometric Quality of the Italian Version of the Dutch Work Addiction Scale (DUWAS)

Published Online:December 22, 2015https://doi.org/10.1027/1015-5759/a000300

Abstract

Abstract. We investigated the psychometric properties of the Italian version of the Dutch Work Addiction Scale (DUWAS) by using an Italian sample (N = 1,027) and a comparable Dutch sample (N = 7,523). We first conducted multigroup confirmatory factor analysis and reliability analysis. We then examined the correlations of the DUWAS with job demands, work-family conflict, job-related affective well-being, and psychological and physical strain. Results showed that a two-factor solution of the DUWAS was equivalent across the Italian and Dutch samples, with data supporting factor variance and covariance equivalence in addition to metric equivalence. Internal consistencies of the DUWAS and its subscales were adequate, and test-retest reliability showed a strong stability of the measure at one year. The DUWAS and its subscales showed a pattern of correlations in the expected direction with the adopted criterion measures. Overall, the Italian version of the DUWAS shows adequate validity and reliability.

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