Two-mode target selection: Considering target layouts in small touch screen devices
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- Title
- Two-mode target selection: Considering target layouts in small touch screen devices
- Authors
- Kwon, S; Kim, C; Kim, S; Han, SH
- Date Issued
- 2010-11
- Publisher
- ELSEVIER SCIENCE BV
- Abstract
- A variety of studies have been conducted to improve methods of selecting a tiny virtual target on small touch screen interfaces of handheld devices such as mobile phones and PDAs. These studies, however, focused on a specific selection method, and did not consider various layouts resulting from different target sizes and densities on the screen. This study proposes a Two-Mode Target Selection (TMTS) method that automatically detects the target layout and changes to an appropriate mode using the concept of an activation area. The usability of TMTS was compared experimentally to those of other methods. TMTS changed to the appropriate mode successfully for a given target layout and showed the shortest task completion time and the fewest touch inputs. TMTS was also rated by the users as the easiest to use and the most preferred. TMTS could significantly increase the ease, accuracy, and efficiency of target selection, and thus enhance user satisfaction when the users select targets on small touch screen devices. Relevance to Industry: The results of this study can be used to develop fast and accurate target selection methods in handheld devices with touch screen interfaces especially when the users use their thumb to activate the desired target. (C) 2010 Elsevier B.V. All rights reserved.
- Keywords
- Touch screen; Small target; Target layout; Two-mode target selection; PRECISION
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/25247
- DOI
- 10.1016/J.ERGON.2010.06.006
- ISSN
- 0169-8141
- Article Type
- Article
- Citation
- INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS, vol. 40, no. 6, page. 733 - 745, 2010-11
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