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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Investigating Representation Alternatives for Communicating Uncertainty to Non-experts
verfasst von : Miriam Greis, Thorsten Ohler, Niels Henze, Albrecht Schmidt
Erschienen in: Human-Computer Interaction – INTERACT 2015
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Abstract
Non-experts are confronted with uncertainty of predictions everyday when, e.g., using a navigation device or looking at the weather forecast. However, there are no standards for representing uncertain information and representations could be easily misleading. Thus, we selected twelve representations that provide different levels of uncertainty information. We compared the representations in an online survey with 90 participants where we asked participants to judge their support in decision-making, familiarity, easiness to understand, and visual appeal. We further evaluated the four most promising representations in a turn-based online game. Players had to make decisions in a farming scenario based on a displayed weather forecast. The results of the survey and the game indicate that a function graph of a probability distribution function is the best way to communicate uncertain information. Nevertheless, our results also show that presenting more uncertainty information does not necessarily lead to better decisions.