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IEEE/ICACT20220380 Question.1 Questioner: degunk@telkomuniversity.ac.id 2022-02-15 오후 4:28:42	IEEE/ICACT20220380 Answer.1 Answer by Auhor yudhi.paramartha@undiksha.ac.id 2022-02-15 오후 4:28:42
Dear author, How many responden that you used at this paper? There are any suggestion to how to decide the number of participant and who will be the participant if I want to make usability testing like this paper did. thank you	good afternoon. We are using 25 participants from 4 groups, namely 7 participants from high school students, 3 participants from high school teacher, 13 participants from university student, and 2 participant from lecturer. Deciding participant for usability testing like in this study usually don't required many participant to capture usability problem. Many publications and best practices suggest about 5-8 participant for URUT and SUS are good enough to conduct a usability study.

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