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Arquivos de Neuro-Psiquiatria
Print version ISSN 0004-282X
BECKER, Michele M. et al. Translation and validation of Autism Diagnostic Interview-Revised (ADI-R) for autism diagnosis in Brazil. Arq. Neuro-Psiquiatr. [online]. 2012, vol.70, n.3, pp.185-190. ISSN 0004-282X. http://dx.doi.org/10.1590/S0004-282X2012000300006.
OBJECTIVE: To translate into Brazilian Portuguese the Autism Diagnostic Interview-Revised (ADI-R), an extremely useful diagnostic tool in autism. METHODS: A case-control study was done to validate the ADI-R. After being translated, the interview was applied in a sample of 20 patients with autism and 20 patients with intellectual disability without autism, in order to obtain the initial psychometric properties. RESULTS: The internal consistency was high, with a of Crombach of 0.967. The validity of criterion had sensitivity and specificity of 100%, having as a gold standard the DSM-IV diagnostic criteria. The interview had high discriminant validity, with higher scores in the group of patients with autism, as well as high interobserver consistency, with median kappa of 0.824. CONCLUSION: The final version of ADI-R had satisfactory psychometric characteristics, indicating good preliminary validation properties. The instrument needs to be applied in bigger samples in other areas of the country.
Keywords : neurology; pediatrics; autistic disorder; child; adolescent; diagnosis; translating; validation studies.