IE interfaces (산업공학)

Korean Institute of Industrial Engineers (대한산업공학회)
권호 표지

Fast Tap-N-Drag (FTND) : Enhancing Panning for Web Browsing on Small Screen Devices Considering Panning Ratio and Direction

작은 화면에서의 인터넷 작업을 위한 효율적인 화면이동방법 제안 및 사용성 평가

  • Choi, Eun-Jung (Department of Industrial and Management Engineering Pohang University of Science and Technology) ;
  • Kwon, Sung-Hyuk (Department of Industrial and Management Engineering Pohang University of Science and Technology) ;
  • Chung, Min-K. (Department of Industrial and Management Engineering Pohang University of Science and Technology)
  • 최은정 (포항공과대학교 산업경영공학과) ;
  • 권성혁 (포항공과대학교 산업경영공학과) ;
  • 정민근 (포항공과대학교 산업경영공학과)
  • Received : 2009.09.09
  • Accepted : 2009.11.05
  • Published : 2009.12.01
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Abstract

Panning tasks caused by both a small screen and the lower resolution of handheld devices are known to decrease the usability of a mobile internet service. To solve this problem, we proposed FTND, an improved version of Tap-N-Drag widely used in various mobile web browsers. 30 participants performed the panning tasks with FTND embedded in combinations of 2 panning directions of Push Background user interface and Push Viewpoint user interface and 5 panning ratios of 100% (a panning ratio of Tap- N-Drag), 300%, 500%, 700%, and 900%. The usability of FTND was assessed by an objective performance and a subjective preference. The objective performance was measured by a task completion time, the number of clicks, and the number of pixels. The subjective preference was measured by satisfaction, accuracy and ease of use. Push Viewpoint user interface at the panning ratios of 300%, 500%, and 700% proved to be the most efficient way for panning tasks with small handheld devices when performing the task by using the right hand thumb.

Keywords

References

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