Psychometric properties of the revised dysexecutive questionnaire in a non-clinical population

Wakely, H., Radakovic, R., Bateman, A., Simblett, S., Fish, J. and Gracey, F. (2022) Psychometric properties of the revised dysexecutive questionnaire in a non-clinical population. Frontiers in Human Neuroscience, 16, 767367. (doi: 10.3389/fnhum.2022.767367) (PMID:35308604) (PMCID:PMC8924056)

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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.

Item Type:Articles
Keywords:Neuroscience, dysexecutive problems, rating scales, validity, reliability, dysexecutive questionnaire-revised.
Glasgow Author(s) Enlighten ID:Fish, Dr Jessica
Authors: Wakely, H., Radakovic, R., Bateman, A., Simblett, S., Fish, J., and Gracey, F.
College/School:College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > Mental Health and Wellbeing
Journal Name:Frontiers in Human Neuroscience
Publisher:Frontiers Media
ISSN (Online):1662-5161
Copyright Holders:Copyright © 2022 Wakely, Radakovic, Bateman, Simblett, Fish and Gracey
First Published:First published in Frontiers in Human Neuroscience 16: 767367
Publisher Policy:Reproduced under a Creative Commons License

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