Autism Diagnostic Interview-Revised and the Childhood Autism Rating Scale: convergence and discrepancy in diagnosing autism.

To access publisher full text version of this article. Please click on the hyperlink in Additional Links field The agreement between the Autism Diagnostic Interview-Revised (ADI-R) and the Childhood Autism Rating Scale (CARS) was investigated in the diagnostic assessment of 54 children aged 22-114 m...

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Bibliographic Details
Main Authors: Saemundsen, Evald, Magnusson, Pall, Smari, Jakob, Sigurdardottir, Solveig
Other Authors: State Diagnostic and Counseling Center, Kópavogur, Iceland. evald@greining.is
Format: Article in Journal/Newspaper
Language:English
Published: Springer 2010
Subjects:
Autistic Disorder
Child
Preschool
Female
Humans
Iceland
Infant
Interview
Psychological
Male
Predictive Value of Tests
Psychiatric Status Rating Scales
Psychometrics
Online Access:http://hdl.handle.net/2336/100079
https://doi.org/10.1023/A:1024410702242
Description
Summary:To access publisher full text version of this article. Please click on the hyperlink in Additional Links field The agreement between the Autism Diagnostic Interview-Revised (ADI-R) and the Childhood Autism Rating Scale (CARS) was investigated in the diagnostic assessment of 54 children aged 22-114 months referred for possible autism. The observed agreement between the two systems was 66.7% (Cohen's kappa = .40) when the ADI-R definition for autism was applied (i.e., scores reaching cutoff in three domains on the ADI-R), but increased considerably with less stringent criteria; that is, scores reaching cutoffs in two domains and in one domain on the ADI-R. As predicted, the CARS identified more cases of autism than the ADI-R. Children classified as autistic according to both instruments had significantly lower IQ/DQ and more severe autistic symptomatology than those classified with the CARS only.

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