A Turkish Translation of the System Usability Scale: The SUS-TR

Aim of developing usable and effective systems yield need for measuring quality of user experience with a system. The System Usability Scale (SUS) questionnaire that was developed in English has been widely used in the literature for assessing perceived usability of interactive systems. This study aimed to adapt the SUS into Turkish and investigate its validity and reliability. To verify the translation, two professional translation techniques were used and four translators were employed. The official Turkish version of the SUS (SUS-TR) conducted to 324 university students. The SUS-TR’s reliability was studied and it was found at a high level. Furthermore, confirmatory factor analyses (CFA) successfully revealed the two-factor structure of the SUS-TR. The results of this study showed that the SUS-TR is a reliable and valid tool for measuring usability, with psychometric properties consistent with the original version. The SUS-TR was developed successfully to make it suitable for users from Turkey