Perceived Difficulty and User Control in Mouse Usage

摘要: This study was conducted to determine the relative perceived difficulty of performing different mouse tasks (pairings actions with button combinations). Right-handed individuals various types computer experience used a 3-button perform 49 simple target acquisition tasks. Perceived judgments varied Significant groupings along dimension were also apparent. For most tasks, left and center buttons judged be relatively easier use than right button. Additionally, chorded alone. The results suggest that systems should not rely upon as default setting for system-related functions. Other considerations usage are discussed.