Work Engagement in Japan: Validation of the Japanese Version of the Utrecht Work Engagement Scale

The purpose of this study was to validate the Japanese version of the Utrecht Work Engagement Scale (UWES-J). Employees from three independent samples completed the questionnaire (total N= 2,334). Confirmatory factor analyses using the multiple-group method revealed that, instead of the original three-factor model, a one-factor model that assumes that all engagement items load on one single factor fitted the data. Moreover, the one-factor structure was invariant across all three samples. Internal consistency of the scale was sufficiently high (α= .92) and the test–retest reliability with an interval of two months was .66. A series of second-order confirmatory factor analyses to examine construct validity confirmed the hypothesised model, indicating that work engagement was positively related to job satisfaction whereas it was negatively related to strain and burnout. However, as in previous studies, professional efficacy, a component of burnout, loaded on the engagement factor. These results, in general, suggest the reliability (internal consistency and stability), factorial invariance, and construct validity of the UWES-J in three independent samples. Cette etude avait pour objectif de valider la version japonaise de l’Echelle d’Implication au Travail d’Utrecht (UWES-J). 2,334 salaries provenant de trois echantillons independants ont rempli le questionnaire. Une analyse factorielle confirmatoire faisant appel a la methode des groupes multiples a montre que le modele originel en trois facteurs devait laisser la place a un modele unifactoriel puisque tous les items d’implication etaient satures sur un unique facteur qui rendait compte a lui seul des donnees. En outre, la structure monofactorielle restait identique a elle-meme sur les trois echantillons. La consistance interne de l’echelle etait suffisamment elevee (α= .92) et la fidelite test-retest apres une periode de deux mois etait de .66. Une serie d’analyses factorielles confirmatoires de second ordre destinees aetudier la validite de construction ont confirme le modele hypothetique, indiquant que l’implication dans le travail etait en correlation positive avec la satisfaction professionnelle tandis qu’elle etait en relation negative avec la tension nerveuse et le burnout. Comme dans des travaux anterieurs, l’efficacite professionnelle, une composante du burnout, etait saturee dans le facteur d’implication. Ces resultats, vont dans le sens de la fidelite (consistance interne et stabilite), de la solidite factorielle et de la validite de construction de l’UWES-J dans ces trois echantillons independants.

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