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- Title
Psychometric Properties of the Revised Dysexecutive Questionnaire in a Non-clinical Population.
- Authors
Wakely, Hannah; Radakovic, Ratko; Bateman, Andrew; Simblett, Sara; Fish, Jessica; Gracey, Fergus
- Abstract
Aims: The aim of this study was to assess the psychometric properties of the revised self-rated version of the Dysexecutive Questionnaire (DEX-R) within a non-clinical sample. Methods: The study was hosted online, with 140 participants completing the DEX-R, GAD-2 and PHQ-2. Sixty participants also completed the FrSBe, with 99 additionally completing the DEX-R again 3 weeks later. Correlations with demographic factors and symptoms of anxiety and depression were conducted. Rasch and factor analysis were also used to explore underlying subconstructs. Results: The DEX-R correlated highly with the FrSBe, indicating sound concurrent validity. Internal consistency, split-half reliability and test-retest reliability were excellent. Age and symptoms of depression and anxiety correlated with DEX-R scores, with older age associated with less dysexecutive problems. The Rasch analysis confirmed the multidimensionality of the rating scale, and a three-factor structure was found relating to activation-self-regulatory, cognitive and social-emotional processes. Frequencies of responses on DEX-R items varied, many were not fully endorsed indicating specific relevance of most but not all items to patients. Conclusion: Interpretations of DEX-R ratings of dysexecutive problems should consider mood and individual variation. Systematic comparison of DEX-R responses between healthy and clinical groups could help identify a suitable cut off for dysexecutive symptoms.
- Subjects
PSYCHOMETRICS; TEST validity; STATISTICAL reliability; FACTOR analysis; MENTAL depression
- Publication
Frontiers in Human Neuroscience, 2022, Vol 16, p1
- ISSN
1662-5161
- Publication type
Article
- DOI
10.3389/fnhum.2022.767367