Autism diagnostic interview: A standardized investigator-based instrument
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- Le Couteur, A., Rutter, M., Lord, C. et al. J Autism Dev Disord (1989) 19: 363. doi:10.1007/BF02212936
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The development of a new standardized investigator-based interview for use in the differential diagnosis of pervasive developmental disorders is described, together with a diagnostic algorithm (using ICD-10 criteria) based on its use. Good interrater reliability for algorithm items was shown between four raters, two in Canada and two in the UK, who rated 32 videotaped interviews. The items also significantly discriminated between 16 autistic and 16 nonautistic mentally handicapped subjects. The algorithm based on ICD-10 identified all 16 autistic individuals and none of the 16 nonautistic subjects.