Abstract
Construction Defect mobile app is used by Ministry of Defense’s Construction Defect Inspection Team to ease the team to record construction defect. However, the mobile app has never been evaluated formally to identify any usability problems. The objectives of this study are to identify usability problems of Construction Defect mobile app using Think Aloud and to recommend design improvement of Construction Defect mobile app based on the identified usability problem. The Think Aloud study involve with 15 participants. During the evaluation, every participant carries out the given tasks on and he gives his impressions as he goes along the tasks. There are three usability problems were identified. Some recommendations have been proposed to improve the design of Construction Defect mobile app based on the identified usability problem. As for the future work, the study may be conducted using different usability evaluation technique.
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