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ERIC Number: EJ900710
Record Type: Journal
Publication Date: 2010-Nov
Pages: 9
Abstractor: As Provided
ISSN: ISSN-0021-9630
How Useful Is the Social Communication Questionnaire in Toddlers at Risk of Autism Spectrum Disorder?
Oosterling, Iris; Rommelse, Nanda; De Jonge, Maretha; Van Der Gaag, Rutger Jan; Swinkels, Sophie; Roos, Sascha; Visser, Janne; Buitelaar, Jan
Journal of Child Psychology and Psychiatry, v51 n11 p1260-1268 Nov 2010
Background: The Social Communication Questionnaire (SCQ) is a screening instrument with established validity against the Autism Diagnostic Interview-Revised (ADI-R) in children aged 4 years and older. Indices of diagnostic accuracy have been shown to be strong in school-aged samples; however, relatively little is known about the performance of the SCQ in toddlers at risk of autism spectrum disorder (ASD). Methods: This study replicates and extends previous research by Corsello et al. (2007) in a comparatively large (N = 208), substantially younger (20-40 months) sample of children at high risk of ASD. The usefulness of the SCQ as a second-level screening instrument with different cut-off scores was evaluated in relation to IQ, age, and type of ASD diagnosis. The use of the SCQ as compared to the ADI-R was evaluated against clinical diagnosis, both alone and in combination with the ADOS. Results: The SCQ with different cut-offs consistently showed an unsatisfactory balance between sensitivity and specificity in screening for ASD in high-risk toddlers, with only a few exceptions for specific age, IQ, or diagnostic groups. Even though the SCQ and ADI-R were highly correlated, diagnostic agreement with the best evidence clinical diagnosis was poor for both measures. The ADOS used alone consistently had the highest predictive value. For autism versus not-autism, the combined SCQ and ADOS performed as well as the ADOS alone and notably better than the combination ADI-R and ADOS. Conclusions: The SCQ is likely to result in a number of false-positive findings, particularly in children with autism symptomatology, and the balance between sensitivity and specificity is poor. The ADOS should be considered the most valid and reliable diagnostic instrument in these very young at-risk children.
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A