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Validation of the Mind Excessively Wandering Scale and the Relationship of Mind Wandering to Impairment in Adult ADHD.

Authors
  • Mowlem, Florence D1
  • Skirrow, Caroline1
  • Reid, Peter1
  • Maltezos, Stefanos1
  • Nijjar, Simrit K1
  • Merwood, Andrew1, 2
  • Barker, Edward1
  • Cooper, Ruth1
  • Kuntsi, Jonna1
  • Asherson, Philip1
  • 1 1 Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK.
  • 2 2 Department of Psychology, University of Bath, UK.
Type
Published Article
Journal
Journal of Attention Disorders
Publisher
SAGE Publications
Publication Date
Apr 01, 2019
Volume
23
Issue
6
Pages
624–634
Identifiers
DOI: 10.1177/1087054716651927
PMID: 27255536
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

This study investigates excessive mind wandering (MW) in adult ADHD using a new scale: the Mind Excessively Wandering Scale (MEWS). Data from two studies of adult ADHD was used in assessing the psychometric properties of the MEWS. Case-control differences in MW, the association with ADHD symptoms, and the contribution to functional impairment were investigated. The MEWS functioned well as a brief measure of excessive MW in adult ADHD, showing good internal consistency (α > .9), and high sensitivity (.9) and specificity (.9) for the ADHD diagnosis, comparable with that of existing ADHD symptom rating scales. Elevated levels of MW were found in adults with ADHD, which contributed to impairment independently of core ADHD symptom dimensions. Findings suggest excessive MW is a common co-occurring feature of adult ADHD that has specific implications for the functional impairments experienced. The MEWS has potential utility as a screening tool in clinical practice to assist diagnostic assessment.

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