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首页> 外文期刊>Applied Ergonomics >User perception and interpretation of tornado probabilistic hazard information: Comparison of four graphical designs
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User perception and interpretation of tornado probabilistic hazard information: Comparison of four graphical designs

机译：龙卷风概率危险信息的用户感知和解释：四种图形设计的比较

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Effective design for presenting severe weather information is important to reduce devastating consequences of severe weather. The Probabilistic Hazard Information (PHI) system for severe weather is being developed by NOAA National Severe Storms Laboratory (NSSL) to communicate probabilistic hazardous weather information. This study investigates the effects of four PHI graphical designs for tornado threat, namely, "four-color","red-scale", "grayscale" and "contour", on users' perception, interpretation, and reaction to threat information. PHI is presented on either a map background or a radar background. Analysis showed that the accuracy was significantly higher and response time faster when PHI was displayed on map background as compared to radar background due to better contrast. When displayed on a radar background, "grayscale" design resulted in a higher accuracy of responses. Possibly due to familiarity, participants reported four-color design as their favorite design, which also resulted in the fastest recognition of probability levels on both backgrounds. Our study shows the importance of using intuitive color-coding and sufficient contrast in conveying probabilistic threat information via graphical design. We also found that users follows a rational perceiving-judging-feeling-and acting approach in processing probabilistic hazard information for tornado. (C) 2017 Elsevier Ltd. All rights reserved.
机译：呈现恶劣天气信息的有效设计对于降低恶劣天气的破坏性后果非常重要。 Noaa国家严重风暴实验室（NSSL）开发了恶劣天气的概率危险信息（PHI）系统，以传达概率的危险天气信息。本研究调查了四个PHI图形设计对龙卷风威胁的影响，即“四色”，“红尺度”，“灰度”和“轮廓”，对用户的感知，解释和对威胁信息的反应进行了影响。 PHI呈现在地图背景或雷达背景上。分析表明，当由于更好的对比而与雷达背景相比，当PHI显示在地图背景时，准确性更高，响应时间更快。在雷达背景上显示时，“灰度”设计导致更高的响应准确性。可能是由于熟悉，参与者报告了四种颜色设计作为他们最喜欢的设计，这也导致了对两个背景上的概率水平的最快识别。我们的研究表明，通过图形设计传达概率威胁信息，表明了使用直观颜色编码和足够的对比度的重要性。我们还发现，用户在处理龙卷风的概率危险信息中遵循理性的感知感觉和表演方法。 （c）2017 Elsevier Ltd.保留所有权利。

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