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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
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Geurts, Hilde M.; Hartman, Catharina; Verte, Sylvie; Oosterlaan, Jaap; Roeyers, Herbert; Sergeant, Joseph A. – International Journal of Language & Communication Disorders, 2009
Background: A number of disorders are associated with pragmatic difficulties. Instruments that can make subdivisions within the larger construct of pragmatics could be important tools for disentangling profiles of pragmatic difficulty in different disorders. The deficits underlying the observed pragmatic difficulties may be different for different…
Descriptors: Check Lists, Construct Validity, Factor Structure, Clinical Diagnosis