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Relationship between Symptom Domains in Autism Spectrum Disorders: A Population Based Twin Study
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Dworzynski, Katharina; Happe, Francesca; Bolton, Patrick; Ronald, Angelica – Journal of Autism and Developmental Disorders, 2009
Factor structure and relationship between core features of autism (social impairments, communication difficulties, and restricted, repetitive behaviours or interests (RRBIs)) were explored in 189 children from the Twins Early Development Study, diagnosed with autistic spectrum disorders (ASDs) using the Development and Wellbeing Assessment (DAWBA;…
Descriptors: Twins, Autism, Factor Structure, Factor Analysis