设计2D的Fitts的法律实验:一个奇怪的关于目标的东西
M F Roig-Maimó1, R Mas-Sansó1, I S MacKenzie2
1Department of Mathematics and Computer Science, University of the Balearic Islands, Palma, 07122, Spain.
Applied ergonomics
|November 4, 2025
概括
根据ISO 9241-411标准的多向点击 (2D) 测试,需要奇数的目标来准确评估计算机指针技术. 使用偶数的目标会导致错误的吞吐量值,需要对标准进行修订.
科学领域:
- 人与计算机的交互
- 可用性工程可用性工程
- 人体工程学就是人体工程学.
背景情况:
- ISO 9241-411标准规定了用于评估计算机指针装置的多向点击 (2D) 测试.
- 这项基于Fitts定律的测试旨在在圆形布局中提供目标之间的一致移动距离.
- 在研究文献中观察到应用二维测试的方法不一致.
研究的目的:
- 为了研究ISO 9241-411多方向点击 (2D) 测试的方法要求.
- 为了识别和解决由于目标数不一致的错误吞吐量计算的问题.
- 倡导对ISO 9241-411标准关于目标配置的修订.
主要方法:
- 根据菲茨定律,对多方向点击 (2D) 试验的几何约束进行分析.
- 审查了200篇研究论文,这些论文使用了2D任务来评估指针技术.
- 在已发表的研究中对目标数的使用 (奇数与偶数) 的统计评估.
主要成果:
- 2D测试的几何配置需要奇数的目标来保持一个序列中的所有目标之间的相同移动距离.
- 在审查的200篇研究论文中,大约三分之一错误地使用了偶数的目标.
- 这种不正确的使用导致了文献中报告的不准确的吞吐量值.
结论:
- 坚持奇数目标对于方法一致性和2D测试中的有效吞吐量测量至关重要.
- 当前的ISO 9241-411标准要求明确说明2D任务的目标数量.
- 修订标准以要求奇数目标将提高计算机指针技术评估的可靠性和有效性.
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