| Summary: | 碩士 === 朝陽科技大學 === 數位化產品設計產業研發研究所 === 96 === This study utilizes questionnaire and the computer simulation to assess the usibility of operational interface design of a new commercially computerized sewing machine (JANOME MC11000). Twenty experienced and 20 inexperienced users of sewing machines participated in this study. Their performances in simulated operation and identifying fundamentally functional icons on the machine body and in the touch screen program were evaluated. The icons in the touch screen program consistes of options in the main menu, submenus, detail functions, and setup key of detail functions.
The results showed no differences between the experienced and inexperienced groups in identifing icons on the machine body and icons of the main-menu options. However, significant group differences were found in identifying icons of the submenus, detail functions, and setup key of detail functions. Furthermore, some icon graphics were easily confused with their letter meanings.
In order to enhance the usibility of the interface design, this study suggests redesigning some icon graphics, applying Chinese interface, and providing help scrip or demonstration graphics to increase the rate of accurately identifying. Moreover, the recognition performance of some confusing functional icons can also be improved by providing adequate training courses.
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