Özet:

Just as in all aspects of our lives, technological advancements have had an impact on traditional methods and techniques in education. The crucial reflections of this transformation in education have shown themselves in the increase of the use of distance education tools. In this process, online content sharing, testing and assignment taking traditional methods' place. The aim of this study was to investigate the usability of web-based assignment system implemented in a vocational college. In this mixed-design research, data were collected online from System Usability Scale and students' responses to open-ended questions. The participants were 204 post-secondary students enrolling at a vocational college during first semester of 2015-2016 Academic Year. Descriptive statistics, t test, correlation and regression analysis were used for data analyses. The average score of 67.14 from SUS application showed that usability of the system was acceptable. No significant difference was observed between first year and second year students. On the other hand, statistically significant linear correlation between SUS scores and students’ course grades were found. The results of the qualitative analysis revealed that students enjoyed the system, instructor feedback had a motivating effect, but they had challenges owing to absence of enough time and difficulty at having access to computers and web-based assignment system. 

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