摘要：In this paper we present two comparisons of two novel physical interface for interacting witha virtual environment in the form of a skiing game. The interfaces were compared throughtwo separate within-subjects studies. In the first study we compared a wobble boardaugmented with a low-cost 3D accelerometer with the Wii Balance Board, and in the secondstudy we compared a step machine augmented with the same accelerometer with the WiiBalance Board. Keyboard and mouse peripherals were included in both studies in order tosee how the novel interfaces and the Wii Balance Board would measure up against thesecommonly used input devices. The interfaces were evaluated in terms of performance,perceived ease of use, and enjoyment. The results of the first study show that participantsreported the wobble board to be the hardest to control, although their performance wasbetter than using the Wii Balance Board. A positive correlation was found between reportedenjoyment of the interface and easiness to control it. The results of the second study showthat participants found the step machine to be the most enjoyable and the second easiest. Inboth studies the mouse and keyboard peripherals were superior in terms of performanceand perceived ease of use.
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