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Netherlands journal of psychology
Published in: Netherlands journal of psychology 2/2006

01-12-2006 | Article

Psychometric properties of a Dutch version of the Intolerance of Uncertainty Scale

Authors: Gwendolijn Olivia de Bruin, Eric Rassin, Colin van der Heiden, Peter Muris

Published in: Netherlands journal of psychology | Issue 2/2006

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Abstract

Intolerance of uncertainty (IU) is thought to play a key role in the development and maintenance of worry and generalised anxiety disorder (GAD). The present study investigated the psychometric properties of the Dutch translation of the Intolerance of Uncertainty Scale (IUS), the most frequently employed scale for measuring IU. The factor analysis of the IUS pointed in the direction of a one-factor solution. Furthermore, the Dutch IUS portrayed excellent internal consistency and test-retest reliability. Tests of construct validity showed that the Dutch IUS correlated significantly more strongly with worry than with depression. The regression analysis demonstrated that IU contributed significantly to worry, after controlling for demographic variables and levels of anxiety and depression. In addition, it was demonstrated that the IUS successfully discriminated between patients with GAD and other anxiety disorders, and non-clinical participants. Overall, it seems safe to conclude that the Dutch IUS is a reliable and valid scale for assessing IU. (Netherlands Journal of Psychology, 62, 91-97.)
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Metadata
Title
Psychometric properties of a Dutch version of the Intolerance of Uncertainty Scale
Authors
Gwendolijn Olivia de Bruin
Eric Rassin
Colin van der Heiden
Peter Muris
Publication date
01-12-2006
Publisher
Bohn Stafleu van Loghum
Published in
Netherlands journal of psychology / Issue 2/2006
Electronic ISSN: 0028-2235
DOI
https://doi.org/10.1007/BF03061055