论文中文题名: | 安全可视化信息层级构建与表征框架的情境意识研究 |
姓名: | |
学号: | 20202097026 |
保密级别: | 公开 |
论文语种: | chi |
学科代码: | 120100 |
学科名称: | 管理学 - 管理科学与工程(可授管理学、工学学位) - 管理科学与工程 |
学生类型: | 硕士 |
学位级别: | 管理学硕士 |
学位年度: | 2023 |
培养单位: | 西安科技大学 |
院系: | |
专业: | |
研究方向: | 人因工程 |
第一导师姓名: | |
第一导师单位: | |
论文提交日期: | 2023-06-16 |
论文答辩日期: | 2023-06-07 |
论文外文题名: | The Influence of Presentation frames of VIS on SA under Three-level UI Design |
论文中文关键词: | |
论文外文关键词: | Visualization Information for Safety (VIS) ; Framing Effect ; Situation Awareness (SA) ; Eye-movement |
论文中文摘要: |
随着互联网、大数据等技术的创新发展,信息可视化在安全与应急管理领域发挥了重要作用,帮助有效监测、预警安全风险,并辅助个体进行事态研判。安全可视化信息呈现界面愈加复杂化和多元化,在带来丰富信息的同时也给个体带来较大的认知负荷。研究发现,界面安全可视化信息的构建与表征方式均会对个体认知造成影响,尤其是个体的情境意识,而辅助个体进行认知加工决策、减少认知负荷是提升界面可用性的目标之一。目前鲜有学者结合实际情境,以安全可视化信息为研究对象,聚焦其层级构建与表征框架对个体认知的影响研究。因而,本文借助于情境意识的相关理论,开展关于安全可视化信息层级构建与表征框架对决策个体情境意识的影响研究。 本文首先通过文献分析法对信息可视化、情境意识、框架效应的国内外研究现状进行了梳理,得出本研究的出发点、研究内容与研究方法;其次,结合现实调研,基于情境意识三阶段理论模型(感知(SA1)、理解(SA2)、预测(SA3))及框架效应理论,搭建了本研究所用的安全可视化信息呈现实验平台界面;然后,基于双因素混合实验设计开展眼动实验,因素1是界面层级(被试间变量:层级一、层级二、层级三),因素2为表征框架(被试内变量:完全正性框架、正负组合框架、负正组合框架、完全负性框架);其次,采用SPAM实时探测技术、3D-SART量表与眼动追踪技术分别获取被试客观情境意识得分(行为绩效水平)、主观情境意识得分以及被试的注意力分配情况;并对以上数据分别进行描述性分析、方差分析、相关分析等统计分析,得到安全可视化信息层级构建与表征框架对决策个体情境意识及其注意力分配的影响结果;最后,通过结果讨论,得到本文结论: (1)安全可视化信息的层级构建会影响决策个体的情境意识。按照感知、理解、预测三个层级构建安全可视化信息呈现界面,信息显示量的增加会导致个体感知阶段的情境意识得分下降,但由于高层级界面充分考虑了个体对信息认知加工的三个阶段,帮助提高了被试总体的情境意识水平。 (2)安全可视化信息的表征存在框架效应(风险感知不同),不同表征框架对决策个体情境意识的影响不同。表现为在正性框架下,个体感知到的风险较小,负性框架下,个体感知到的风险较大,且相较于负性框架,正性框架下的情境意识水平较高; (3)个体的注意力分配机制在不同安全可视化信息的层级构建与表征框架下不同,且与个体情境意识水平存在相关性。其中,最近邻指数NNI量化反映了被试的眼动注视策略,被试总体的注视点分布在高层级界面及正性框架引导下较为离散,此时,被试能够更全面地把握相关信息,情境意识水平较高。 本研究在一定程度上可以为提高安全可视化信息呈现界面的可用性提供参考依据,在信息构建方面,考虑适量信息的有机呈现,增加信息之间呈现的逻辑性与关联性,使界面设计尽可能符合个体情境意识三阶段的认知加工特点;在表征框架呈现方面,正负框架组合呈现可帮助决策个体更好理解当前安全风险事态。 |
论文外文摘要: |
With the development of the Internet and big data, information visualization is playing an increasingly crucial role in the field of safety and emergency management, effectively monitoring and warning against the occurrence of emergencies and helping people make decisions. However, the increasing complexity and diversity of visualization information for safety (VIS) presented in the interface, also imposes a greater cognitive load on individuals. It has been found that the way in which VIS is constructed and represented in the interface affects an individual’s cognition, especially their situation awareness (SA) and that assisting individuals in cognitive processing decisions and reducing cognitive load is one of the goals of improving the usability of the interface. Few scholars have studied the impact of hierarchical construction and representational frames on individual cognition in the context of security information visualization. Therefore, based on theories related to SA and framing effect, the impact of the hierarchical construction and representation frame of VIS on an individual’s SA was investigated in this paper. Firstly, the current status of domestic and international research on information visualization, SA and framing effect was reviewed through literature analysis method, and the starting point, research content and method of this study were derived; secondly, combining the three-stage theoretical model of SA (perception (SA1), understanding (SA2) and prediction (SA3)) and framing effect theory, the interface for VIS presentation was designed; Then, an eye-movement experiment was conducted based on a two-factor mixed experimental design, where factor 1 was the interface hierarchy (between-subject variables: UI1, UI2, UI3) and factor 2 was the representation frame (within-subject variables: PP frame, PN frame, NP frame, NN frame); the real-time probe technique (SPAM)、3D-SART scale and eye-tracking technology were used to obtain objective SA score (behavioral performance), subjective SA score and attention allocation of the subjects, based on which, statistical analyses such as descriptive analysis, ANOVA and correlation analysis were conducted to obtain the influence results of hierarchical construction and the representation frame of VIS on SA of individuals and their attention allocation; finally, the results were discussed and the conclusions of this paper were obtained. (1) The construction of VIS affects an individual’s SA. level-3 UI design can effectively improve the subjects' SA levels. Although the increase in VIS displayed caused by the higher UI level led to the decrease of perception stage score of SA, the level-3 UI fully considers the three stages of human information processing, and helps improve the SA of the subjects; (2) There was a framing effect on the presentation of VIS, which will also influence individual’s SA: subjects perceived different degrees of risk under different presentation frames, with people perceiving less risk under the positive frame and more risk under the negative frame, and a higher level of SA under the positive frame compared to the negative frame; (3) Individual attention allocation mechanisms differed across the hierarchical constructs and representational frames of VIS and correlated with their SA. In particular, the Nearest Neighbor Index (NNI) algorithm quantifies subjects' eye-tracking fixation mode. While guided by the high-level interface and the positive presentation frame, the distribution of the subjects' gaze points was more discrete and they were able to grasp the relevant information more comprehensively and have a relatively high level of SA. To some extent, this study can provide references for improving the usability of the VIS presentation interface. In terms of information construction, the organic presentation of an appropriate amount of information and the logic and relevance of the presentation of information should be considered, to make the interface design conform to the three stages of human information processing. In terms of the presentation frame, the combination of positive and negative frames can help people better understand the current security risk situation. |
参考文献: |
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中图分类号: | TP391.41 |
开放日期: | 2023-06-16 |