Journal of Autism and Developmental Disorders

, Volume 22, Issue 4, pp 563-581

First online:

Diagnostic assessment in a sample of autistic and developmentally impaired adolescents

  • Eric FombonneAffiliated withCentre Alfred Binet, Institut National de la Santé et de la Recherche Médicale

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A sample of 43 autistic and developmentally impaired adolescents were assessed with the Autism Diagnostic Interview (ADI), DSM-III-R criteria, and the clinician's diagnosis. DSM-III-R criteria for autism have low specificity and agree poorly with the other two definitions. Detailed results of the ADI are provided that confirm the usefulness and discriminant validity of this semistructured diagnostic interview in a sample of very retarded autistic subjects.