Özet:

This study aims to identify usability problems related to Virtual Math Teams (VMT) system, which is supporting online collaborative activities of learning groups. For the usability assessment, two major evaluations have been conducted. In the first evaluation, students filled the scale of framework for CSCL system Usability Evaluation including dimensions - Effectiveness, Efficiency, Collaborativity, Error Tolerance, Universal Accessibility, Satisfaction. The second evaluation considers students answers to open ended question related to system’s usability problems. These two approaches together released the usability problems related to VMT system. The problems identified are related to four major usability aspects: system design, file upload, process tracking/automated notification, and error prevention. This study also suggests which immediate actions should be taken to improve usability of the system. 

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