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首页> 外文会议>Annual Meeting of the Human Factors and Ergonomics Society(HFES 2007); 20071001-05; Baltimore,MA(US) >EFFECTS OF KEY SIZE AND SPACING ON THE COMPLETION TIME AND ACCURACY OF INPUT TASKS ON SOFT KEYPADS USING TRACKBALL AND TOUCH INPUT
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EFFECTS OF KEY SIZE AND SPACING ON THE COMPLETION TIME AND ACCURACY OF INPUT TASKS ON SOFT KEYPADS USING TRACKBALL AND TOUCH INPUT

机译：使用TRACKBALL和TOUCH INPUT的键大小和间距对软键盘上输入任务完成时间和准确性的影响

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摘要

Simulated keyboards on touch screens are becoming the norm for data entry on mobile and kiosk systems. Since onscreen keyboards compete with other user interface elements for limited screen space, it is essential that soft keyboard designs are optimally laid out. This paper describes an experiment in which the performance and accuracy of data input on soft keyboards with square keys of two different widths (10 and 15mm) and two inter-key gap distances (1.5 and 4.5mm) were evaluated. Three methods of input were studied: finger, stylus, and trackball. Entry times were the shortest and most accurate for stylus touch, although trackball input was the most accurate for the smallest key size. The spacing between keys did not exhibit a significant effect regardless of key size and input method. A key size of 15mm appears to be sufficiently large to provide acceptable accuracy for touch input, although a key size of 10mm was equally acceptable for trackball input.
机译：触摸屏上的模拟键盘已成为移动和信息亭系统上数据输入的规范。由于屏幕键盘与其他用户界面元素竞争有限的屏幕空间，因此，软键盘设计必须以最佳方式进行布局至关重要。本文介绍了一个实验，该实验评估了具有两个不同宽度（10和15mm）和两个键间间距（1.5和4.5mm）的方形键的软键盘上数据输入的性能和准确性。研究了三种输入方法：手指，手写笔和轨迹球。触控笔输入时间最短，最准确，尽管轨迹球输入最小按键也最准确。无论按键大小和输入方法如何，按键之间的间距都不会表现出明显的影响。尽管10mm的键大小同样适用于轨迹球输入，但15mm的键大小似乎足以为触摸输入提供可接受的精度。

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