| Summary: | 碩士 === 國立政治大學 === 數位內容碩士學位學程 === 107 === In Taiwan, volleyball had become more and more popular. The number of volleyball team has increased year after year in every domestic competitions and the competitiveness has also increased. However, the way to record the performance of teams hasn’t changed so much. Teams record each skill’s points on papers. The Forms help teams to find out the key point of competition result and the performance of all players. However, paper forms need time to calculate the numbers and are hard to read in competition. In this study, we tried to enhance the way of recoding, which can influent the result of competitions. And we design an application, which can get in-time calculated information for coaches to match tactics in games. In order to design a better system for in-time use, we study papers about volleyball performance analysis, infographic, human-computer interaction, user interface, and analysis system to design and develop this analysis application. After interviewing 6 professional coaches, we found out the key points to adjust their tactical decisions are: winning and losing factors, key players, and the ball’s falling position. This system has two main functions: recording and information presenting. We used performance measurement, System Usability Scale (SUS), The Questionnaire For User Interaction Satisfaction (QUIS), Net Promoter Score (NPS) and interviews to assess the subjective feelings of the subjects and the system effectiveness. The result is that information presenting got better performance and affirmation. Subjects were more frustrated when recording competitions, related to less learning time and low interface familiarity. However, the subjects have confident to operate the system by themself after practicing and learning. This system changed the way of recording the performance of teams in competitions, which enhances the time of calculating data and provides in-time analysis for coaches or players to reference.
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