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Richler, Jennifer; Bishop, Somer L.; Kleinke, Jennifer R.; Lord, Catherine – Journal of Autism and Developmental Disorders, 2007
Restricted and repetitive behaviors (RRBs) on the Autism Diagnostic Interview- Revised (ADI-R: Lord, Rutter, & Le Couteur (1994) were examined in 165 children with Autism Spectrum Disorders (ASD), 49 children with non-spectrum developmental disorders (DD), and 65 children with typical development (TD) at approximately 2 years of age. A factor…
Descriptors: Factor Analysis, Autism, Antisocial Behavior, Developmental Disabilities