Abstract
As wireless and mobile computing advances, user interface designers are faced with the challenge of designing an interface for miniaturized devices that may be capable of performing Windows applications. The present study attempted to define the optimal icon size for small display with a psychophysical approach -- the method of adjustment. Participants were asked to adjust the icon size in descending and ascending order to satisfy the operational criteria of (1) adjusting the icon to its smallest size, and (2) maintaining recognition of the icon image. Three display areas, 40x40 ram, 120x70 turn and 180x100 mm were used. Results from this study show that icon ≈5.0 mm may be recommended for displays with limited area.
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