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. 2023 Aug 22;15(1):28.
doi: 10.1186/s11689-023-09497-7.

Why are only some children with autism spectrum disorder misclassified by the social communication questionnaire? An empirical investigation of individual differences in sensitivity and specificity in a clinic-referred sample

Chimei M Lee  1 , Melody R Altschuler  2 , Amy N Esler  3 , Catherine A Burrows  3 , Rebekah L Hudock  3
Affiliations

Why are only some children with autism spectrum disorder misclassified by the social communication questionnaire? An empirical investigation of individual differences in sensitivity and specificity in a clinic-referred sample

Chimei M Lee et al. J Neurodev Disord. .

Abstract

Background: The Social Communication Questionnaire (SCQ) is a checklist for autism spectrum disorder (ASD) commonly used in research and clinical practice. While the original validation study suggested that the SCQ was an accurate ASD screener with satisfactory sensitivity and specificity, subsequent studies have yielded mixed results, with some revealing low sensitivity, low specificity, and low utility in some settings.

Method: The present study examined the psychometric properties of the SCQ as well as the individual difference characteristics of 187 individuals with and without autism spectrum disorder (ASD) who were misclassified or accurately classified by the SCQ in a clinic-referred sample.

Results: The SCQ showed suboptimal sensitivity and specificity, regardless of age and sex. Compared to true positives, individuals classified as false positives displayed greater externalizing and internalizing problems, whereas individuals classified as false negatives displayed better social communication and adaptive skills.

Conclusions: The findings suggest that non-autistic developmental and behavioral individual difference characteristics may explain high rates of misclassification using the SCQ. Clinicians and researchers could consider using the SCQ in combination with other tools for young children with internalizing and externalizing symptoms and other more complex clinical presentations.

Keywords: Adaptive behavior; Autism spectrum disorder; Diagnosis; Early identification; Externalizing; Individual differences; Internalizing; Screening; Sensitivity; Social Communication Questionnaire; Specificity.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
Group comparisons on autism symptoms severity, emotional and behavioral functioning, and adaptive skills
See this image and copyright information in PMC

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