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Vis Inf
Vis Inf  2019, Vol. 3 Issue (1): 38-47    DOI: 10.1016/j.visinf.2019.03.005
论文     
Group-in-a-Box布局的探索行为
Yuki Uenoa, Hiroaki Natsukawab, Nozomi Aoyamaa, Koji Koyamadab
aDepartment of Electrical Engineering, Kyoto University, Kyoto, Japan  bAcademic Center for Computing and Media Studies, Kyoto University, Kyoto, Japan
Exploration behavior of group-in-a-box layouts
Yuki Uenoa, Hiroaki Natsukawab, Nozomi Aoyamaa, Koji Koyamadab
aDepartment of Electrical Engineering, Kyoto University, Kyoto, Japan  bAcademic Center for Computing and Media Studies, Kyoto University, Kyoto, Japan
 全文: PDF 
摘要： 为了改善可视化，有必要通过分析用户的行为以及通过改进计算实验的评估指标和考察实验中任务的完成情况（例如，正确的答案率和完成时间）来优化设计。尽管已有多项研究分析了用户行为对可视化评估的影响，但是这些研究大多集中在简单的可视化任务上。 一个简单的可视化任务并非指其中只包含少量的可视化元素，而是指通过可视化获得的信息是完成该任务的唯一线索。然而，也有一些研究针对复杂的可视化任务，在这些任务中，从可视化找到多个信息被视为完成任务的线索，而不管可视化中包含了多少可视化元素。因此，在本研究中，我们分析参与复杂任务的执行者的行为。我们选择了两种类型的Group-in-a-Box布局（可认为是一种复杂的可视化方法），作为用户实验的对象。在用户实验中，参与者被要求执行与Group-in-a-Box布局有关的探索任务：即哪一组中的内部边最多？
除了在任务中的表现之外，我们还收集了眼动追踪数据。结果表明，正确答案率受可视化因素的影响很大; 不论是否为正确答案，通常会认为具有最多内部边数的框一定是面积最大的框。此外，对收集的眼动追踪数据的分析表明，这种可视化因素还影响了参与者的探索行为;但是，它并不影响参与者关注的位置。所得结果表明，可视化设计者未曾考虑的可视化元素可能会影响用户从数据中获取信息的任务。因此，设计者在设置可视化方案时必须要考虑用户的视觉认知行为。
关键词： 视觉搜索;  眼动追踪;  Group-in-a-Box布局    
Abstract: To improve visualization, it is necessary to optimize the design by analyzing the behavior of users as well as by improving the evaluation index of the computational experiment and the task performance (e.g., the correct answer rate and completion time) in the user experiment. Although various studies have investigated the influence of user behavior on the evaluation of visualization, majority of these studies focused on simple visualization tasks. A simple task does not indicate a simple visualization comprising a few visualization elements but a task in which the information obtained from visualization is the only clue for completing the task. However, a few studies have targeted complicated tasks in which multiple information obtained from visualization is considered to be a clue for completing the task regardless of the number of elements that are contained in the visualization. Therefore, in this study, we investigated the behavior of the participants who have performed complicated tasks. We selected two types of group-in-a-box (GIB) layouts, which can be considered to be a complicated visualization method, as the target of the user experiment.In the user experiment, participants were asked to perform an exploration task specific to GIB layouts; which group has the maximum number of intra-edges? We also collected the eye-tracking data in addition to task performance. The results show that the correct answer rate is considerably affected by the visualization factor; whether the correct answer, the box with maximum number of intra-edges, is the box with the largest area. Furthermore, an analysis of the collected eye-tracking data revealed that this visualization factor affected the exploration behavior of the participants; however, it did not affect the location at which the participants were focused on. The obtained results indicated that the visualization elements that were not considered by the visualization designer can influence the task of extracting information from the data. Therefore, designers have to configure the visualization by considering the visual cognitive
Key words: Visual Search    Eye-Tracking    Group-in-a-Box Layout
出版日期: 2019-04-15
通讯作者: Hiroaki Natsukawa     E-mail: natsukawa.hiroaki.3u@kyoto-u.ac.jp
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引用本文:

Yuki Ueno, Hiroaki Natsukawa, Nozomi Aoyama, Koji Koyamada. Exploration behavior of group-in-a-box layouts. Vis Inf, 2019, 3(1): 38-47.

链接本文:

http://www.zjujournals.com/vi/CN/10.1016/j.visinf.2019.03.005    或    http://www.zjujournals.com/vi/CN/Y2019/V3/I1/38

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