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Categorization Costs for Hierarchical Keyboard Commands

机译:分层键盘命令的分类成本

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Previous research comparing methods of issuing commands found that selecting a toolbar item is faster than selecting an item from two menus with either a mouse or keyboard shortcut. Over the course of 90 trials, however, the keyboard method showed the most improvement, nearing the toolbar response time. The study presented in this paper compared the response time of the keyboard method across 240 trials when items were drawn from a single versus two menus. Throughout the trials, the 1-menu condition produced selection times that were on average 600 ms to 800 ms faster than the 2-menu condition suggesting users in the 2-menu condition were not able to bypass the menu decision by chunking the 3-key sequence into one cognitive unit. Models are presented to describe performance at various stages of learning. Practical implications are that hierarchical, category-based keyboard commands do not provide a clear advantage to toolbar-based selection and that theory-based evaluation methods may need to reflect this result.
机译:以前的研究比较发布命令的比较方法发现,选择工具栏项的速度比从两个菜单中选择一个具有鼠标或键盘快捷方式的项目更快。然而,在90个试验过程中,键盘方法显示出最大的改进,接近工具栏响应时间。本文提出的研究比较了键盘方法在从单一与两个菜单中抽出的240试验中的响应时间。在整个试验中,1菜单状况产生的选择时间平均超过600毫秒到800毫秒,而不是2菜单条件,通过在2菜单条件下无法绕过菜单决策,通过划分3键。序列到一个认知单元。提出了模型来描述在各种学习阶段的性能。实际意义是,基于分层的基于类别的键盘命令不提供基于工具栏的选择的明确优势,并且基于理论的评估方法可能需要反映这一结果。

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