Abstract
For the convenience of firefighters’ decision-making and operation, touch screen display was chosen as the preferred interface for a fire information display system. Few studies were conducted to determine comfortable button/icon size on touch screens. This experiment investigated the effect of four factors on operators’ performance with touch screen: 1) button size (20*20, 30*30, 40*40, and 50*50 pixels 2), spacing between buttons (0, 5, 10, and 20 pixels), 3) button/icon types (digit buttons only, picture icons only, combination), and 4) glove wearing (wearing vs. not wearing). 14 males were asked to accomplish a series of matching tasks on touch screen with the forefinger of right hand. Results showed that the spacing between buttons/icons, and wearing or not wearing a glove did not affect performance. Subjects pointed to the digit buttons faster than the other two kinds of buttons/icons. There was a significant difference among button/icon sizes. People performed best when it was equal to or bigger than 40*40 pixels.
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Sun, X., Plocher, T., Qu, W. (2007). An Empirical Study on the Smallest Comfortable Button/Icon Size on Touch Screen. In: Aykin, N. (eds) Usability and Internationalization. HCI and Culture. UI-HCII 2007. Lecture Notes in Computer Science, vol 4559. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73287-7_71
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DOI: https://doi.org/10.1007/978-3-540-73287-7_71
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-73286-0
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