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  • Title: Concurrent and Discriminant Validity of the Farsi Translation of the Social Responsiveness Scale-Second Edition (SRS-2) and Social Communication Questionnaire (SCQ).
    Author: Tavakolian N, Shahrivar Z, Mahmoudi-Gharaei J, Hojatitabar S, Mehrzad F, Tehrani-Doost M.
    Journal: Iran J Psychiatry; 2024 Feb; 19(2):221-228. PubMed ID: 38686312.
    Abstract:
    Objective: Early detection of autism spectrum disorder (ASD) can lead to earlier intervention and greater improvement of children's quality of life and performance; hence, the use of screening tools is essential to facilitate the diagnosis process. The aim of the present study was to determine the clinical and differential validity of Social Responsiveness Scale-Second Edition (SRS-2) and Social Communication Questionnaire (SCQ) in a group of children and adolescents with autism spectrum disorder compared to a normal developmental group. Method : The study was conducted in Roozbeh Hospital involving 52 children with ASD and 53 typically developing (TD) children, aged between 4-12 years. Their parents completed the SRS-2 and SCQ. These children were also interviewed using the Childhood Autism Rating Scale, 2nd Edition (CARS-2) and Asperger Syndrome Diagnostic Scale (ASDS). After completion, the results were analyzed using the SPSS Version 18 software and a significant level of 0.05. Results: The average age of children in the autism group was 7.5 ± 2.7 years, while in the typically developing (TD) children group, it was 7.7 ± 2.3 years (P = 0.656). A positive correlation coefficient was observed between the CARS questionnaire score, the SRS questionnaire score, the SCQ questionnaire score, and the ASDS ‏(P < 0.01). In the SRS questionnaire, the area under the ROC curve was 0.976, and in the SCQ questionnaire it was 0.953, both of which had a good and significant diagnostic value (P < 0.001). A sensitivity of 0.942 and specificity of 0.811 for the cut-off point of 62.5 were obtained in the SRS questionnaire. Additionally, a sensitivity of 0.865 and specificity of 0.925 for the cut-off point of 15.5 were achieved in the SCQ questionnaire. Conclusion: The SRS-2 and the SCQ are sensitive and specific tools for identifying and discriminating children with autism spectrum disorder.
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