De Boeck, A.

Hardyns, Wim

Pauwels, L.

Abstract: Using summated scale scores to make group comparisons is only meaningful if one can assume that the scale measures attribute in the same way in each of the groups involved in the comparison. This assumption is called measurement invariance. This contribution discusses the use of modern statistical measurement models to test this assumption and to verify the consequences of a possible violation for the comparison of group means. In the empirical part of the contribution the authors illustrate their account by examining whether a scale assessing avoidance behavior commonly used in fear of crime research is invariant across gender and age groups

Het gevaar van meetinvariantie bij het vergelijken van groepen op basis van somscores : vermijdingsgedrag als case study

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