Cited by 887Attention Deficit Hyperactivity DisorderDevelopmental and Educational NeuropsychologyChild and Adolescent Psychosocial and Emotional Development

Validity of DSM-IV attention deficit/hyperactivity disorder symptom dimensions and subtypes.

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Willcutt, Erik G., Nigg, Joel T., Pennington, Bruce F., Solanto, Mary V., Rohde, Luis A., Tannock, Rosemary, Loo, Sandra K., Carlson, Caryn L. +2 more·2012·Journal of Abnormal Psychology

Abstract

Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV) criteria for attention deficit/hyperactivity disorder (ADHD) specify two dimensions of inattention and hyperactivity-impulsivity symptoms that are used to define three nominal subtypes: predominantly hyperactive-impulsive type (ADHD-H), predominantly inattentive type (ADHD-I), and combined type (ADHD-C). To aid decision making for DSM-5 and other future diagnostic systems, a comprehensive literature review and meta-analysis of 546 studies was completed to evaluate the validity of the DSM-IV model of ADHD. Results indicated that DSM-IV criteria identify individuals with significant and persistent impairment in social, academic, occupational, and adaptive functioning when intelligence, demographic factors, and concurrent psychopathology are controlled. Available data overwhelmingly support the concurrent, predictive, and discriminant validity of the distinction between inattention and hyperactivity-impulsivity symptoms, and indicate that nearly all differences among the nominal subtypes are consistent with the relative levels of inattention and hyperactivity-impulsivity symptoms that define the subtypes. In contrast, the DSM-IV subtype model is compromised by weak evidence for the validity of ADHD-H after first grade, minimal support for the distinction between ADHD-I and ADHD-C in studies of etiological influences, academic and cognitive functioning, and treatment response, and the marked longitudinal instability of all three subtypes. Overall, we conclude that the DSM-IV ADHD subtypes provide a convenient clinical shorthand to describe the functional and behavioral correlates of current levels of inattention and hyperactivity-impulsivity symptoms, but do not identify discrete subgroups with sufficient long-term stability to justify the classification of distinct forms of the disorder. Empirical support is stronger for an alternative model that would replace the subtypes with dimensional modifiers that reflect the number of inattention and hyperactivity-impulsivity symptoms at the time of assessment. (PsycINFO Database Record (c) 2012 APA, all rights reserved).

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  • Hyperactive-impulsive symptoms correlate with rejection by peers, aggression, dangerous driving, and unintentional injuries.

    “Hyperactive-impulsive symptoms are associated with peer rejection, aggression, risky driving behaviors and accidental injuries.”

    From The World Federation of ADHD International Consensus Statement: 208 Evidence-based conclusions about the disorder (2021) · cites this paper as Willcutt et al., 2012

    The Functional impairment > Symptom dimensions passage (page not provided) reports associations between hyperactivity-impulsivity symptoms and overt peer rejection, relational aggression, and more frequent accidental injuries. It does not report an association with risky driving behaviors; a search for driving found no supporting passage in our copy. (LLM, conf=0.88)

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  • Inattentive symptoms show stronger links to academic difficulties, low self-esteem, poor occupational results, and lower adaptive functioning.

    “Meta-analyses indicate that inattention is more strongly associated with academic impairment, low self-esteem, negative occupational outcomes and lower overall adaptive functioning.”

    From The World Federation of ADHD International Consensus Statement: 208 Evidence-based conclusions about the disorder (2021) · cites this paper as Willcutt et al., 2012

    The Functional impairment > Symptom dimensions passage reports stronger associations for inattention than hyperactivity-impulsivity with academic impairment across ages and impaired adaptive functioning in children and adolescents. It does not report stronger associations with low self-esteem or negative occupational outcomes, and its adaptive-functioning finding is not stated for adults. Page numbers are unavailable in our copy. (LLM, conf=0.87)

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  • The two most prevalent and valid diagnostic subtypes of ADHD are the combined subtype (ADHD-C) and the predominantly inattentive subtype (ADHD-I).

    “The two most prevalent and valid diagnostic subtypes of ADHD are the combined subtype (ADHD-C) and the predominantly inattentive subtype (ADHD-I; [7, 64, 65]).”

    From Prevalence and diagnostic validity of motivational impairments and deficits in visuospatial short-term memory and working memory in ADHD subtypes (2015) · cites this paper as [7]

    The Temporal stability and developmental course > Subtypes section finds ADHD-H less stable than ADHD-C or ADHD-I and says this seriously challenges ADHD-H’s validity, particularly after early childhood. But Overall Conclusions > Conclusion 3 questions the discriminant validity of ADHD-C and ADHD-I, and the passages found do not establish that they are the two most prevalent subtypes. (LLM, conf=0.83)

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  • The finding that impaired ADHD-C children had more teacher-rated inattention symptoms is consistent with previous studies demonstrating that inattention, not hyperactivity/impulsivity, is associated with neuropsychological impairment in children with ADHD.

    “and with previous studies demonstrating that inattention, not hyperactivity/impulsivity, is associated with neuropsychological impairment in children with ADHD [7, 20, 27, 55, 56]”

    From Prevalence and diagnostic validity of motivational impairments and deficits in visuospatial short-term memory and working memory in ADHD subtypes (2015) · cites this paper as [7]

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  • The two symptom dimensions have different patterns of co-occurring disorders.

    “Patterns of associated disorders also differ between the dimensions”

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Cites

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Research works printed but not linked: 4

  1. American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders 1980 American Psychiatric Association Washington, DC Third Edition
  2. American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders 1994 American Psychiatric Association Washington, DC Fourth Edition
  3. Cantwell DP The diagnostic process and diagnostic classification in child psychiatry--DSM-III Journal of the American Academy of Child Psychiatry 1980 19 345 355 7410748
  4. Hedges LV Olkin I Statistical methods for meta-analysis 1985 Academic Press Orlando, FL

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Authors
Willcutt, E. G., Nigg, J. T., Pennington, B. F., Solanto, M. V., Rohde, L. A., Tannock, R., Loo, S. K., Carlson, C. L., McBurnett, K., & Lahey, B. B.
Affiliations
  • University of Colorado Boulder (US)
  • Oregon Health & Science University (US)
  • University of Denver (US)
  • Icahn School of Medicine at Mount Sinai (US)
  • University of Toronto (CA)
  • University of California, Los Angeles (US)
  • The University of Texas at Austin (US)
  • University of California, San Francisco (US)
  • University of Chicago (US)
Venue
Journal of Abnormal Psychology
Published
2012-11
Volume
121
Issue
4
Pages
991-1010
ISSN
  • 0021-843X (ISSN-L)
  • 1939-1846
OpenAlex
W2122790331
Cited by
887
References
72
Citations by year
2026: 36 · 2025: 56 · 2024: 41 · 2023: 77 · 2022: 56 · 2021: 54 · 2020: 67 · 2019: 63 · 2018: 55 · 2017: 71 · 2016: 89 · 2015: 66 · 2014: 73 · 2013: 54 · 2012: 24
FWCI
49.57
Type
journal article
Language
en
Open access
Locations
  • Journal of Abnormal Psychology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (R01 MH59105, R01 MH59111, R01 MH53554, R01 HD 47264, R01 MH 63207, R01 HD 38526, P50 HD 27802, R01 MH 70037, P50 MH 79485, R01 DA 24002, R01 MH 63941, R01 62120)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Developmental and Educational Neuropsychology
  • Social Sciences › Psychology › Clinical Psychology › Child and Adolescent Psychosocial and Emotional Development
Keywords
attention deficit hyperactivity disorder, DSM-IV diagnostic criteria, ADHD subtypes, inattentive symptoms, hyperactivity/impulsivity symptoms, diagnostic validity, concurrent validity, predictive validity, discriminant validity, longitudinal stability, DSM-5
MeSH terms
Attention, Attention Deficit Disorder with Hyperactivity, Cognition, Female, Humans, Male, Diagnostic and Statistical Manual of Mental Disorders

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