EFFECT OF SIZING AND SPACING OF TOUCH SCREEN BUTTONS ON PERFORMANCE OF NUMBER INPUT TASK: COMPARISON BETWEEN YOUNGER AND OLDER ADULTS
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概要
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Since the introduction of full touch screen smartphones in 2007, touch screen based user interface became a major type of user interface for interacting with computers. This research focus on usability test of touch button which is the most commonly used element for touch screen based graphical user interfaces. An experiment was executed to investigate how different button size and different spacing between the buttons influence the operation time and input accuracy of number input tasks. Two different age groups of subjects were recruited to investigate the influence of age. The result showed that 9mm button and 11.2mm button showed equally good performance in terms of operation time and input accuracy. In case of designing user interfaces for devices with limited display area such as for smartphones, 9mm button size should be recommended. Different spacing did not affect the operation time but significantly affected input accuracy. Age group difference was significant with time performance but not with input accuracy.
- Japanese Society for the Science of Designの論文
Japanese Society for the Science of Design | 論文
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