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The Assessment of Psychological Strain in Work Contexts

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      Irritation as defined in this paper is the subjectively perceived emotional and cognitive strain in occupational contexts. The structural equivalence of the Arabic, Dutch, English, French, Italian, Russian, Spanish, Turkish, and Polish adaptations of the German Irritation Scale is examined. The Irritation Scale is recommended for application particularly in occupational contexts. In this field it can be used for evaluating interventions, for research on stress at work, and for individual counseling. Exploratory factor analyses, as well as single group and different multiple-group confirmatory factor analyses, were performed. Structural equivalency in terms of equal factor loadings as well as equal factor covariances across all adaptations can be claimed. However, the single group analyses suggest that the hypothesized factor model should be rejected in the English, Russian, Spanish, and Turkish versions, mainly because of borderline values in the RMSEA index.

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      Most cited references 31

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      Comparative fit indexes in structural models.

      Normed and nonnormed fit indexes are frequently used as adjuncts to chi-square statistics for evaluating the fit of a structural model. A drawback of existing indexes is that they estimate no known population parameters. A new coefficient is proposed to summarize the relative reduction in the noncentrality parameters of two nested models. Two estimators of the coefficient yield new normed (CFI) and nonnormed (FI) fit indexes. CFI avoids the underestimation of fit often noted in small samples for Bentler and Bonett's (1980) normed fit index (NFI). FI is a linear function of Bentler and Bonett's non-normed fit index (NNFI) that avoids the extreme underestimation and overestimation often found in NNFI. Asymptotically, CFI, FI, NFI, and a new index developed by Bollen are equivalent measures of comparative fit, whereas NNFI measures relative fit by comparing noncentrality per degree of freedom. All of the indexes are generalized to permit use of Wald and Lagrange multiplier statistics. An example illustrates the behavior of these indexes under conditions of correct specification and misspecification. The new fit indexes perform very well at all sample sizes.
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        Structural Model Evaluation and Modification: An Interval Estimation Approach.

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            Author and article information

            [ 1 ] University of Leipzig, Germany
            [ 2 ] TU Munich, Germany
            [ 3 ] Koç University, Istanbul, Turkey
            [ 4 ] Université de Neuchâtel, Switzerland
            Author notes
            Mohr Gisela, Institut für Angewandte Psychologie Arbeits- und Organisationspsychologie, Universität Leipzig, Seeburgstr. 14-20, D-04103, Leipzig, Germany, rsplitt@
            European Journal of Psychological Assessment
            Hogrefe Publishing
            January 2006
            : 22
            : 3
            : 198-206
            jpa2203198 10.1027/1015-5759.22.3.198
            Self URI (journal-page):
            Original Articles


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