Article

Journal of Autism and Developmental Disorders

, Volume 35, Issue 3, pp 331-335

Screening Adults for Asperger Syndrome Using the AQ: A Preliminary Study of its Diagnostic Validity in Clinical Practice

  • M. R. Woodbury-SmithAffiliated withDepartments of Psychiatry and Experimental Psychology, University of CambridgeWoodbury-Smith Child Study Center Yale University School of Medicine Email author 
  • , J. RobinsonAffiliated withCambridge Lifespan Asperger Syndrome Service and Autism Research Centre
  • , S. WheelwrightAffiliated withDepartments of Psychiatry and Experimental Psychology, University of Cambridge
  • , S. Baron-CohenAffiliated withDepartments of Psychiatry and Experimental Psychology, University of Cambridge

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Abstract

The Autism Spectrum Quotient (AQ) has been developed to measure the degree to which an adult with normal intelligence has autistic traits. In this paper it is evaluated for its potential as a screening questionnaire in clinical practice on one hundred consecutive referrals to a diagnostic clinic for adults suspected of having Asperger Syndrome or high functioning autism (AS/HFA). The results indicate that it has good discriminative validity and good screening properties at a threshold score of 26. The implications of these results are discussed.

Keywords

Asperger Syndrome Autism Quotient high-functioning autism screening diagnosis validity