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Norris, Megan; Lecavalier, Luc; Edwards, Michael C. – Journal of Autism and Developmental Disorders, 2012
The current study tested several competing models of the autism phenotype using data from modules 1 and 3 of the ADOS. Participants included individuals with ASDs aged 3-18 years (N = 1,409) from the AGRE database. Confirmatory factor analyses were performed on total samples and subsamples based on age and level of functioning. Three primary…
Descriptors: Autism, Factor Structure, Symptoms (Individual Disorders), Pervasive Developmental Disorders