Article
Measurement equivalence of the autism symptom phenotype in children and youth.
Journal of child psychology and psychiatry, and allied disciplines - 1 Dec 2013
Duku Eric, Szatmari Peter, Vaillancourt Tracy, Georgiades Stelios, Thompson Ann, Liu Xiao-Qing, Paterson Andrew D, Bennett Terry
Abstract excerpt
BACKGROUND: The Autism Diagnostic Interview-Revised (ADI-R) is a gold standard assessment of Autism Spectrum Disorder (ASD) symptoms and behaviours. A key underlying assumption of studies using the ADI-R is that it measures the same phenotypic constructs across different populations (i.e., males/females, younger/older, verbal/nonverbal). The objectives of this study were to evaluate alternative measurement models...
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