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Experimental Study of Stroke Shortcuts for a Touchscreen Keyboard with Gesture-Redundant Keys Removed

机译：删除了手势冗余键的触摸屏键盘的快捷键的实验研究

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We present experimental results for two-handed typing on a graphical QWERTY keyboard augmented with linear strokes for Space, Backspace, Shift, and Enter-that is, swipes to the right, left, up, and diagonally down-left, respectively. A first study reveals that users are more likely to adopt these strokes, and type faster, when the keys corresponding to the strokes are removed from the keyboard, as compared to an equivalent stroke-augmented keyboard with the keys intact. A second experiment shows that the keys-removed design yields 16% faster text entry than a standard graphical keyboard for phrases containing mixed-case alphanumeric and special symbols, without increasing error rate. Furthermore, the design is easy to learn: users exhibited performance gains almost immediately, and 90% of test users indicated they would want to use it as their primary input method.
机译：我们展示了在图形化QWERTY键盘上进行双手打字的实验结果，该键盘上增加了用于空格键，退格键，Shift键和Enter键的线性笔划，即分别向右，向左，向上和向左斜向滑动。一项第一项研究表明，与完整无缺的等效笔划增强键盘相比，当从键盘上删除了与笔划相对应的键时，用户更可能采用这些笔触，并且键入速度更快。第二个实验表明，对于包含混合大小写字母数字和特殊符号的短语，键删除设计比标准图形键盘的文本输入速度快16％，而不会增加错误率。此外，该设计易于学习：用户几乎立即获得了性能提升，并且90％的测试用户表示他们希望将其用作主要输入法。

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