ERIC Number: EJ1170768
Record Type: Journal
Publication Date: 2018-Mar
Abstractor: As Provided
Brief Report: Checklist for Autism Spectrum Disorder--Most Discriminating Items for Diagnosing Autism
Mayes, Susan D.
Journal of Autism and Developmental Disorders, v48 n3 p935-939 Mar 2018
The smallest subset of items from the 30-item Checklist for Autism Spectrum Disorder (CASD) that differentiated 607 referred children (3-17 years) with and without autism with 100% accuracy was identified. This 6-item subset (CASD-Short Form) was cross-validated on an independent sample of 397 referred children (1-18 years) with and without autism and on data from 1417 children in the CASD standardization sample and 1052 children in the CASD normative sample, resulting in 98.5, 97.6, and 99.8% diagnostic accuracy, respectively. Diagnostic agreement was high between the CASD-Short Form and the Autism Diagnostic Interview-Revised (96%), and the Child Autism Rating Scale (98%). Diagnostic accuracy for the CASD-SF was similar to accuracy for the 30-item CASD full form.
Descriptors: Autism, Pervasive Developmental Disorders, Clinical Diagnosis, Accuracy, Item Analysis, Referral, Comparative Analysis, Observation, Diagnostic Tests, Rating Scales, Evaluation Methods
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Authoring Institution: N/A
Identifiers - Assessments and Surveys: Autism Diagnostic Observation Schedule
Grant or Contract Numbers: N/A