Writing efficient programs
The impact of candidate display styles for Japanese and Chinese characters on input efficiency
International Journal of Human-Computer Studies
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We report the results of an experiment designed to measure the effects of modeling menu format to match the format of input devices. Subjects were presented with menus in layouts of varying compatibility with two common input devices: IBM PC function keys in a matrix format and the digit keys at the top of standard keyboards. The results showed that the better the match between formats of menus and devices, the lower the selection times. Guidelines for the design of displays suggest that the best way to show items is in a vertical sorted list, which is incompatible with the format of IBM function keys. We conclude that software designers should model menu display formats after the selection hardware.