Understanding Visual Cues in Visualizations Accompanied by Audio Narrations

H. Kong, Wenjie Zhu, Zhicheng Liu, Karrie Karahalios
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引用次数: 19

Abstract

It is often assumed that visual cues, which highlight specific parts of a visualization to guide the audience's attention, facilitate visualization storytelling and presentation. This assumption has not been systematically studied. We present an in-lab experiment and a Mechanical Turk study to examine the effects of integral and separable visual cues on the recall and comprehension of visualizations that are accompanied by audio narration. Eye-tracking data in the in-lab experiment confirm that cues helped the viewers focus on relevant parts of the visualization faster. We found that in general, visual cues did not have a significant effect on learning outcomes, but for specific cue techniques (e.g. glow) or specific chart types (e.g heatmap), cues significantly improved comprehension. Based on these results, we discuss how presenters might select visual cues depending on the role of the cues and the visualization type.
理解伴随音频叙述的可视化中的视觉线索
人们通常认为,视觉线索可以突出可视化的特定部分,引导观众的注意力,促进可视化的故事叙述和呈现。这一假设尚未得到系统的研究。我们提出了一项实验室实验和一项机械土耳其研究,以检验完整和可分离的视觉线索对伴随音频叙述的可视化的回忆和理解的影响。实验室实验中的眼球追踪数据证实,线索有助于观看者更快地将注意力集中在视觉化的相关部分上。我们发现,一般来说,视觉线索对学习结果没有显著影响,但对于特定的线索技术(如发光)或特定的图表类型(如热图),线索显著提高了理解能力。基于这些结果,我们讨论了演讲者如何根据线索的作用和可视化类型选择视觉线索。
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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