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Matson, Johnny L.; Gonzalez, Melissa L.; Wilkins, Jonathan; Rivet, Tessa T. – Research in Autism Spectrum Disorders, 2008
The reliability of a new scale to assess Autistic Disorder, Pervasive Developmental Disorder, Not Otherwise Specified (PDD-NOS), and Asperger's Disorder in children was examined. Parents or other caregivers rated symptoms of 207 children between 2 and 16 years of age. The scale, which had 40 items in the final version, correlated highly with…
Descriptors: Autism, Interrater Reliability, Criteria, Psychopathology