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題名 | A Usability Engineering Study on the Operation of Overhead Projector by Novice and Expert Users=從使用性工程探討生手與專家使用者操作投影機之研究 |
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作者姓名(中文) | 陳昱丞; | 書刊名 | 應用藝術與設計學報 |
卷期 | 2 2007.07[民96.07] |
頁次 | 頁45-53 |
分類號 | 471.71、471.71 |
關鍵詞 | 心智模式; 簡化邊說邊做法; 影音回溯法; Mental model; Simplified thinking aloud; Video/audio protocols; |
語文 | 英文(English) |
中文摘要 | 在強調使用者親和性的現代設計趨勢中,仍然充斥著相當多不合理的設計,除了會造成使用者的操作不便外,更嚴重者甚至可能造成人身的傷害,因此近來相關領域的專家學者提出了使用性工程的觀點,希望透過客觀的測試與研究,探討使用者於操作過程中有關學習性、效益性、記憶性、錯誤率與滿意度等使用上的特性。 本研究所選定的主題為投影片所使用的OHP投影機,因其介面設計有若干值得深入探討與改進,因此計畫以使用性工程中的「簡化邊說邊做法」及「影音回溯法」為實驗的主軸,透過生手與專家使用者的實地進行投影機操作的邊說邊做,利用攝影機日以攝影記錄後針對影片內容進行影音回溯分析,藉以瞭解專家與生手使用者的心智模式之差異,並分析其完成各階段動作所需之時間。 研究發現本次所探討的投影機對於生手來說其操作性並不理想,相關的結論將可供設計師於進行投影機介面設計時之參考依據,以其改善目前有投影機介面設計不良的部分,除可提高產品用效率外,並可避免因操作不當所可能產生的重大危險。 |
英文摘要 | In spite that the trend towards more user friendly interface in contemporary design in growing, considerable improper designs nowadays can still be easily found out from many systems or products. Such improper system or product designs may result in inconvenient operations for users, and what is more, cause serious harm to the physical health. Therefore, specialists and scholars in the relevant field recently proposed the viewpoint of usability engineering by dint of impartial testing and researches on the characteristics of learnability, efficiency of use, memorability, frequency and severity of errors and subjective satisfaction while a user is operating a product or a system. The study employed an overhead projector (OHP), which has several interface designs need to be improved, to be operated by both inexperienced and skilled users through the experiments with “Simplified thinking aloud” and “video/audio protocols” of the usability engineering. We also utilized a video cameras for filming the OHP operations by both inexperienced and skilled users by the thinking aloud method and then carries out the film analyses by video/audio protocols. Consequently, the mental model differences between both inexperienced and skilled users and required operating times in various phases are well analyzed. It is found from the stud results that inexperienced users do not operate OHP well. Relevant conclusions can be provided for OHP designers ad the interface design reference for making the functionality of an OHP more suitable for user needs, moreover, enabling existing poor OHP interface designs to be improved. Consequently, a better OHP interface design is able to heighten usability of the product, in addition, prevent possible serous hazards from improper OHP operations. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。