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Goodwin, Anthony; Matthews, Nicole L.; Smith, Christopher J. – Autism: The International Journal of Research and Practice, 2019
Despite efforts to detect autism spectrum disorder during toddlerhood, many children with autism spectrum disorder remain undiagnosed until school age. To identify characteristics of children whose autism spectrum disorder might not be diagnosed during toddlerhood, this study used archived Autism Diagnostic Interview-Revised records to examine the…
Descriptors: Autism, Pervasive Developmental Disorders, Symptoms (Individual Disorders), Children
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Sparks, Richard L.; Lovett, Benjamin J. – Learning Disability Quarterly, 2013
This study examined whether a large group of postsecondary students participating in a support program for students classified as having learning disabilities (LD) met criteria for five objective diagnostic models for LD: IQ-achievement discrepancy (1.0 SD, 1.5 SD, and greater than 2.0 SD) models, a "Diagnostic and Statistical Manual of…
Descriptors: Learning Disabilities, College Students, Clinical Diagnosis, Criteria