Reliability and Validity of the Chinese Version of the Social Skills Improvement System Autism Spectrum Scale

The purpose of this study was to examine the reliability and validity of the Chinese version of the SSIS Autism Spectrum Scale Teacher Form, a scale of the SSIS-Rating Scales (Social Skills Improvement System Rating Scales) created by Gresham and Elliott. The scale consists of 15 items divided into two subscales: social skills and problem behaviors related to autism. The participants included 541 school-age children aged 4 to 18 years old (266 females, 275 males). The Autism Behavior Checklist-Taiwan Version Teacher Form was used as a criterion measure. Data analyses were performed using SPSS 25 and Mplus 8.3 statistical package programs, with procedures including reliability testing, criterion-related validity testing, and confirmatory factor analysis (CFA). The results suggested that the SSIS Autism Spectrum Scale Teacher Form has adequate internal consistency reliability, test-retest reliability, and convergent validity. In addition, the confirmatory factor analysis results supported the two-factor structure of the Chinese version of the SSIS Autism Spectrum Scale Teacher Form.