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Assessing Functional Impairment in ADHD: Concerns for Validity of Self-Report

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Abstract

Comprehensive diagnostic assessment of attention deficit hyperactivity disorder (ADHD) should include consideration of degree of impairment, and documentation of impairment is necessary to make service and accommodation determinations. While there has been increasing use of self-report as a way to document impairment, self-reported impairment could be just as vulnerable to invalid report as self-reported symptoms. We examined the influence of invalid self-report and invalid performance on report of functional impairment in a sample of 49 adults referred for evaluation for ADHD and/or learning disorder concerns. Overall, 26–59% of participants referred for evaluation endorsed at least moderate levels of impairment in the domains of understanding and communicating, household, and school/work. Individuals with evidence of invalid self-report of ADHD symptoms endorsed significantly higher levels of disability/impairment on the WHODAS, particularly in the domains of understanding and communicating, household, school/work, and participation in society. Further, individuals who failed a measure of performance validity reported significantly higher levels of impairment/disability, particularly in the domains of understanding and communicating, school/work, and participation in society. Results emphasize the need to assess for validity of self-report and performance in ADHD assessment. Since self-report of impairment may be suspect, clinicians should include data such as school records, past performance on high-stakes standardized testing, evidence of prior accommodations, and collateral reports before making diagnoses and/or recommendations regarding treatment or academic/workplace accommodations.

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Authors and Affiliations

  1. Department of Psychology, Ohio University, 200 Porter Hall, Athens, OH, 45701, USA

    Julie A. Suhr, Carrie Cook & Brittni Morgan

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  1. Julie A. Suhr
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  2. Carrie Cook
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  3. Brittni Morgan
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Correspondence to Julie A. Suhr.

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Suhr, J.A., Cook, C. & Morgan, B. Assessing Functional Impairment in ADHD: Concerns for Validity of Self-Report. Psychol. Inj. and Law 10, 151–160 (2017). https://doi.org/10.1007/s12207-017-9292-8

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  • DOI: https://doi.org/10.1007/s12207-017-9292-8

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