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Towards an improved readability on mobile devices: evaluating adaptive rapid serial visual presentation

机译:致力于提高移动设备的可读性:评估自适应快速串行视觉呈现

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摘要

Can readability on small screens be improved by using adaptive Rapid Serial Visual Presentation (RSVP) that adapts the presentation speed to the characteristics of the text instead of keeping it fixed? In this paper we introduce Adaptive RSVP, describe the design of a prototype on a mobile device, and report findings from a usability evaluation where the ability to read long and short texts was assessed. In a latin-square balanced repeated-measurement experiment, employing 16 subjects, two variants of Adaptive RSVP were benchmarked against Fixed RSVP and traditional text presentation. For short texts, all RSVP formats increased reading speed by 33% with no significant differences in comprehension or task load. For long texts, no differences were found in reading speed or comprehension, but all RSVP formats increased task load significantly. Nevertheless, Adaptive RSVP decreased task load ratings for most factors compared to Fixed RSVP. Causes, implications, and effects of these findings are discussed.
机译:是否可以通过使用自适应快速串行视觉呈现(RSVP)来提高小屏幕上的可读性,该功能使显示速度适应文本的特征,而不是保持固定不变?在本文中,我们介绍了自适应RSVP,描述了移动设备上原型的设计,并报告了可用性评估中的发现,评估了阅读长短文本的能力。在一个采用16个主题的拉丁方平衡重复测量实验中,针对固定RSVP和传统文本表示形式,对自适应RSVP的两个变体进行了基准测试。对于短文本,所有RSVP格式将阅读速度提高了33%,而在理解力或任务负荷上没有显着差异。对于长文本,阅读速度或理解力均未发现差异,但所有RSVP格式均显着增加了任务负荷。但是,与固定RSVP相比,自适应RSVP在大多数因素下都降低了任务负荷等级。讨论了这些发现的原因,含义和影响。

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