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논문 기본 정보

자료유형
학술대회자료
저자정보
Dong Yeong Jeong (POSTECH) Sung H. Han (POSTECH) Hojun Cha (POSTECH)
저널정보
대한인간공학회 대한인간공학회 학술대회논문집 2016 대한인간공학회 춘계학술대회 및 한·일 공동심포지엄
발행연도
2016.6
수록면
86 - 91 (6page)

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초록· 키워드

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The aim of this study is to investigate the user’s touch task performance of a smartwatch with various button layouts and mobility conditions. Since a smartwatch has a touch-based screen, interactions occur on the screen. However, the screen sizes are relatively smaller than those of other mobile devices. It makes users difficult to touch buttons especially in the walking conditions because body movements disturb users to interact with smartwatches. The appropriate button size and spacing should be considered for comfortable interactions. In this study, task performance time, error rate, and overall satisfaction were measured in an experiment. Participants conducted touch tasks in various conditions of mobility (standing and walking) and button layouts; 5 kinds of button size (3㎜, 4.5㎜, 6㎜, 7.5㎜, and 9㎜) and 3 conditions of button spacing (0㎜, 3㎜, and 6㎜). The numbers (1, 2, and 3) were randomly shown on the three buttons each. Participants touched the three buttons in the numerical order. The results showed that task performance times were shorter in the standing condition, large button sizes and spacing than walking condition, small button sizes and spacing each. The button spacing becomes sensitive to the task performance time when the button size is small. Error rates were lower in the standing condition and large button sizes than walking condition and small button sizes each. Especially, the error rates rapidly dropped when the button size becomes greater than 6㎜. The overall satisfactions were higher when participants stand, button sizes and spacing are large. A large button needs to be provided to the users when they walk. When the button should be designed small, the large spacing can be considered. The button size should be greater than 6mm for the high touch task accuracy.

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ABSTRACT
1. Introduction
2. Method
3. Results
4. Discussion
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-530-001015534