Phillips J G, Triggs T J
Department of Psychology, Monash University, Clayton VIC, Australia.
Ergonomics. 2001 Apr 15;44(5):527-36. doi: 10.1080/00140130121560.
An analysis of computer screen cursor trajectories can provide insights into the factors limiting efficient cursor positioning and can assist in the design of human-computer interfaces. Cursor locations as controlled by a Microsoft computer mouse with standard settings were therefore sampled at 5 ms intervals and kinematic analyses addressed the proportions of time spent in the initiation, accelerative and terminal guidance phases of cursor positioning. Twelve participants used a computer mouse to move a cursor over different distances (7.5 cm, 15 cm) from a home location in the lower centre of the screen to targets of different diameters (8 mm, 16 mm), situated to the left, middle or right of the computer screen. Cursor trajectories were irregular, and participants regularly overshot their targets, spending 70% of movement duration in terminal guidance. Participants appeared to use the initial part of their movement to establish mappings between controller and display. Interventions should seek to reduce the terminal guidance phase of cursor positioning.
对计算机屏幕光标轨迹进行分析可以深入了解限制高效光标定位的因素，并有助于设计人机界面。因此，使用具有标准设置的微软电脑鼠标，以5毫秒的间隔对光标位置进行采样，运动学分析探讨了光标定位的启动、加速和终端引导阶段所花费时间的比例。12名参与者使用电脑鼠标将光标从屏幕下部中心的起始位置移动到不同距离（7.5厘米、15厘米），目标位于电脑屏幕的左侧、中间或右侧，直径不同（8毫米、16毫米）。光标轨迹不规则，参与者经常会超过目标，在终端引导阶段花费了70%的移动时间。参与者似乎利用移动的初始部分来建立控制器和显示器之间的映射。干预措施应致力于减少光标定位的终端引导阶段。
