While diary studies have gained in popularity, the validity of the measures utilized in such studies remains an underresearched issue. This study examines the factor structure of the Utrecht Work Engagement Scale (UWES) on both between-person (trait) and within-person (state) levels. A multilevel confirmatory factor analysis was performed to confirm that the between-level factor structure also operates on the within-level. Data from 271 employees who filled in a state version of the UWES on five consecutive days were used to perform the analysis. Results showed that the UWES can be used tomeasure both trait and state work engagement. The three-factor multilevel model appeared to best fit the data. Implications for future research on engagement are discussed.

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doi.org/10.1027/1015-5759/a000111, hdl.handle.net/1765/41233
European Journal of Psychological Assessment
Erasmus School of Social and Behavioural Sciences

Breevaart, K., Bakker, A., Demerouti, E., & Hetland, J. (2012). The Measurement of state work engagement: A multilevel factor analytic study. European Journal of Psychological Assessment, 28(4), 305–312. doi:10.1027/1015-5759/a000111