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Brief Report: Is IQ Measured Equally in ASD, ADHD, Language Disorders, and the General Population?

Kevin G Stephenson1,2,3, Eric A Youngstrom4,5, Eric M Butter6,7,5

  • 1Psychology, Brigham Young University, Provo, UT, USA. Kevin.Stephenson@byu.edu.

Journal of Autism and Developmental Disorders
|August 10, 2026
PubMed
Summary

The Stanford-Binet Intelligence Scales, Fifth Edition (SB-5) reliably measures IQ across neurotypical and neurodivergent youth, including those with autism spectrum disorder (ASD), ADHD, and language disorders.

Keywords:
AutismIQMeasurement invarianceNeurodevelopmental disabilitiesStanford-Binet 5

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