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Purpose: This study aimed to examine the Turkish version of the Short Behavioral Inhibition Scale (SBIS-TR) and to investigate its validity and reliability. Method: The original Short Behavioral Inhibition Scale (SBIS) was translated into Turkish in accordance with the prescribed procedures for the cross-cultural adaptation of self-report measures. This translated version was administered to 227 children and their parents, including children who stutter (CWS) and children who do not stutter (CWNS). After 7–14 days, a random sample of 98 children completed the SBIS again. Reliability and validity were assessed using statistical analyses. Reliability was assessed using Cronbach's alpha and the test–retest method. Validity was evaluated through confirmatory factor analysis, mean score comparisons between CWS and CWNS, and correlations with the Behavioral Inhibition Questionnaire Parent Form–Turkish version (BIQ-TR) and the Communication Attitude Test for Preschool and Kindergarten Children Who Stutter–Turkish version (KiddyCAT-TR). Results: SBIS-TR demonstrated high internal consistency, with a Cronbach's alpha of .86 and a test–retest correlation coefficient of .96. Structural validity analysis confirmed that the single-factor model fits the data well, with all fit indices meeting the accepted thresholds. SBIS-TR scores showed significant negative correlations with BIQ-TR and KiddyCAT-TR scores. No significant difference was found in SBIS-TR scores between CWS and CWNS groups ( p = .235), with a median SBIS score of 15 for both groups. Conclusion: The SBIS-TR demonstrated strong reliability and evidence of convergent validity; however, the results did not fully support its construct validity due to the absence of the predicted group differences between CWS and CWNS.
Mutlu et al. (Fri,) studied this question.