Text entry tap accuracy and exploration of tilt controlled layered interaction on Smartwatches

Mark D. Dunlop, M. Roper, G. Imperatore
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引用次数: 9

Abstract

Design of text entry on small screen devices, e.g. smartwatches, faces two related challenges: trading off a reasonably sized keyboard area against space to display the entered text and the concern over "fat fingers". This paper investigates tap accuracy and revisits layered interfaces to explore a novel layered text entry method. A two part user study identifies preferred typing and reading tilt angles and then investigates variants of a tilting layered keyboard against a standard layout. We show good typing speed (29 wpm) and very high accuracy on the standard layout - contradicting fears of fat-fingers limiting watch text-entry. User feedback is positive towards tilting interaction and we identify ∼14° tilt as a comfortable typing angle. However, layering resulted in slightly slower and more erroneous entry. The paper contributes new data on tilt angles and key offsets for smartwatch text entry and supporting evidence for the suitability of QWERTY on smartwatches.
智能手表上的文本输入点击精度和倾斜控制分层交互的探索
小屏幕设备(如智能手表)上的文本输入设计面临着两个相关的挑战:在合理大小的键盘区域和显示输入文本的空间之间进行权衡,以及对“胖手指”的担忧。本文研究了触点的准确性,并重新研究了分层界面,探索了一种新的分层文本输入方法。一项由两部分组成的用户研究确定了首选的打字和阅读倾斜角度,然后调查了标准布局下倾斜分层键盘的变体。在标准布局下,我们展示了良好的打字速度(每分钟29个字)和非常高的准确率——这与人们担心手指太粗会限制手表输入文本的担忧相矛盾。用户对倾斜交互的反馈是积极的,我们认为倾斜~ 14°是一个舒适的输入角度。然而,分层导致输入速度稍微慢一些,错误也更多。本文为智能手表文本输入提供了倾斜角度和键偏移的新数据,并为智能手表上QWERTY的适用性提供了支持证据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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