Cited by 1Attention Deficit Hyperactivity DisorderDevelopmental and Educational NeuropsychologyPsychological Testing and Assessment

Diagnostic Validity of the Fifth Edition of Wechsler Intelligence Scale for Children (WISC-V) in Students with ADHD

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Mohammadi Rafat Panah, Narges, Kamkari, Kambiz, Baghdasarians, Anita·2025·Iranian Journal of Psychiatry and Behavioral Sciences

Abstract

Background: This research discusses the diagnostic validity of the Wechsler Intelligence Scale for Children, fifth edition (WISC-V), in students with attention deficit-hyperactivity disorder (ADHD). The primary research question is whether the WISC-V possesses diagnostic validity for students with ADHD. Methods: The study employs a psychometric design. The research population includes all students with ADHD enrolled in the first, second, and third grades of elementary school during the 2022 academic year. These students receive educational therapeutic services in private and public centers. A sample size of 250 students was selected using a purposeful sampling method. The instrument used is the WISC-V. Additionally, 250 individuals from the normative population (non-ADHD) were included as a comparison group. The confidence interval method was applied to determine the diagnostic validity of the tests. Results: Data analysis indicated that among the WISC-V subscales, only the "processing speed" subscale demonstrated diagnostic validity (P < 0.001). The other four subscales — "visual-spatial", "fluid reasoning", "working memory", and "verbal comprehension" — did not exhibit adequate validity in distinguishing between students with and without ADHD. Conclusions: The findings indicate that the WISC-V has favorable diagnostic validity for the processing speed scale in students with ADHD. This scale can be effectively utilized for the clinical assessment of students with ADHD within the field of exceptional individuals.

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Crossref · 10.5812/ijpbs-153741

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  • The WISC-V shows adequate convergent and discriminant validity, particularly as a supporting instrument in the assessment of ADHD and other neurodevelopmental difficulties.

    “Likewise, it shows adequate convergent and discriminant validity, particularly as a supporting instrument in the assessment of ADHD and other neurodevelopmental difficulties [37, 38, 39].”

    From ADHD, Subtypes and Cognitive Performance: WISC-V as a Support Tool for Diagnostic Assessment (2026) · cites this paper as [39]

    The Results and Discussion report that WISC-V processing-speed tests distinguish students with ADHD from a normative group, and the Discussion recommends using the scale within a broader assessment framework. However, the paper does not establish convergent and discriminant validity as claimed; its Abstract reports that the other four subscales did not adequately distinguish the groups. Its findings concern students with ADHD, while the broader reference to other neurodevelopmental difficulties is not established by this study. (LLM, conf=0.86)

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  • The findings support the use of the WISC-V as a complementary tool to clinical judgment in contexts involving complex diagnostic decisions.

    “Taken together, these findings support the use of the WISC-V as a complementary tool to clinical judgment in contexts involving complex diagnostic decisions [34, 35, 39].”

    From ADHD, Subtypes and Cognitive Performance: WISC-V as a Support Tool for Diagnostic Assessment (2026) · cites this paper as [39]

    The Discussion says the WISC-V should not be used as an independent diagnostic tool and should be part of a broader assessment framework. That supports its complementary use, but the paper studies students with ADHD and does not specifically address clinical judgment across complex diagnostic decisions generally. (LLM, conf=0.78)

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Research works printed but not linked: 6

  1. Mohammadi Rafat Panah N et al. Brieflands Iran J Psychiatry Behav Sci. 2025; 19(1): e153741 7
  2. Sadeghi H, Shabani Y, Pakniyat A, Karimian K, Harorani M, Naderi Rajeh Y. Road Crashes in Adults with Attention Deficit Hyperactivity Disorder and Risky Driving Behavior. Iran J Psychiatry. 2020;15(2):105- 11. [PubMed ID: 32426006]. [PubMed Central ID: PMC7215254].
  3. Shiri Aminloo M, Kamkary K, Shokrzadeh S. [The Concurrent validity of the new version of the Tehran-Stanford-Binet Intelligence Scale with the Wechsler Intelligence Scale for Children-Revised]. J Except Edu. 2013;7(120):50-61. FA.
  4. Kamkari K. [Diagnostic Validity of the New Version of the Tehran- Stanford-Binet Intelligence Scale in Students with ADHD]. J Except Children. 2019;18(3):15-28. FA.
  5. Bodaghi M, Kamkari K, Saedi S. [Diagnostic validity of the fifth version of the Wechsler intelligence scale children in students with attention deficit disorder in Tehran cities]. Rooyesh-e-Ravanshenasi J. 2023;12(8):139-48. FA.
  6. Shiri Aminlou M, Sharifi Daramadi P, Khalatbari J. [Diagnostic Validity of The Fifth Version of Wechsler Iq Scales For Children With Learning Disability]. Quarterly Edu Measurement. 2023;14(54):80-104. FA. https://doi.org/10.22054/jem.2024.71777.3427. · DOI

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Authors
Mohammadi Rafat Panah, N., Kamkari, K., & Baghdasarians, A.
Affiliations
Islamic Azad University, Tehran (IR)
Corresponding author
Kamkari, Kambiz
Venue
Iranian Journal of Psychiatry and Behavioral Sciences
Publisher
Brieflands
Published
2025-02-19
Volume
19
Issue
1
ISSN
  • 1735-8639 (ISSN-L)
  • 1735-9287
OpenAlex
W4408299931
Cited by
0
References
20
FWCI
0.00
Type
journal article
Language
en
Open access
Locations
Iranian Journal of Psychiatry and Behavioral Sciences (publishedVersion, cc-by)
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 › Applied Psychology › Psychological Testing and Assessment
Keywords
attention deficit hyperactivity disorder, WISC-V, diagnostic validity, processing speed, intelligence testing, elementary school students, special education

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