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Autism. 2014 May;18(4):362-9. doi: 10.1177/1362361313481287. Epub 2013 Aug 21.

Assessment of global functioning in adolescents with autism spectrum disorders: utility of the Developmental Disability-Child Global Assessment Scale.

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Virginia Tech, USA.


Assessment of global functioning is an important consideration in treatment outcome research; yet, there is little guidance on its evidence-based assessment for children with autism spectrum disorders. This study investigated the utility and validity of clinician-rated global functioning using the Developmental Disability-Child Global Assessment Scale in a sample of higher functioning adolescents with autism spectrum disorders and comorbid anxiety disorders enrolled in a randomized controlled trial (n = 30). Pretreatment Developmental Disability-Child Global Assessment Scale scores correlated with severity of autism spectrum disorders core symptoms (r = -.388, p = .034), pragmatic communication (r = .407, p = .032), and verbal ability (r = .449, p = .013) and did not correlate with severity of anxiety symptoms or with parent-reported adaptive behavior. Change in Developmental Disability-Child Global Assessment Scale scores during treatment was associated with autism spectrum disorders symptomatic improvement (r = .414, p = .040) and with improved general communication (r = .499, p = .013). Results support the importance of assessing global functioning in addition to symptom change and treatment response in clinical trials.


adolescents; autism; global functioning; treatment

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