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Abstract
Since females with intense computer mouse work could be at higher risk of experiencing fatigue and operational discomfort in the forearm than males, gender-related differences should be taken into consideration in the ergonomics and design of pointing devices. In order to reveal the difference, various current studies suggested the use of sub movement time with Fitts’ law on the micro-structure of positioning movements and the combination of objective measures and subjective questionnaire on explanation of effects on pointing performance. Since females cannot endure repetition in comparison with males, and female’s grip power is lower than male, it is logically assumed that female with longer weekly computer usage may experience longer pointing time than males. Hence, the study aims to examine an ordinary mouse in order to reveal effects of gender difference and weekly computer usage to multi-directional pointing performance on two dimensional graphic user interfaces. The result of the study showed consistence with current studies and indicated that female subjects would have been more satisfied by the operational effort of an ordinary mouse than male subjects, but at the same time suffers more from finger fatigue and longer pointing time than male subjects regardless of weekly computer usage.
Keywords: gender difference, Fitts’ law, non-keyboard input devices
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