Ann M. Bisantz and Stephanie Schinzing Marsiglio and Jessica Munch.
Displaying Uncertainty: Investigating the Effects of Display Format and Specificity.
In Human Factors: The Journal of the Human Factors and Ergonomics Society, vol. 47, no. 4, pp. 777-796, 2005.


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Abstract:

We conducted four studies regarding the representation of probabilistic information. Experiments 1 through 3 compared performance on a simulated stock purchase task, in which information regarding stock profitability was probabilistic. Two variables were manipulated: display format for probabilistic information (blurred and colored icons, linguistic phrases, numeric expressions, and combinations) and specificity level (in which the number and size of discrete steps into which the probabilistic information was mapped differed). Results indicated few performance differences attributable to display format; however, performance did improve with greater specificity. Experiment 4, in which participants generated membership functions corresponding to three display formats, found a high degree of similarity in functions across formats and participants and a strong relationship between the shape of the membership function and the intended meaning of the representation. These results indicate that participants can successfully interpret nonnumeric representations of uncertainty and can use such representations in a manner similar to the way numeric expressions are used in a decision-making task. Actual or potential applications of this research include the use of graphical representations of uncertainty in systems such as command and control and situation displays.NONE

Bibtex:

@Article{        bisantz:2005:DUIE,
  author = 	 {Ann M. Bisantz and Stephanie Schinzing Marsiglio and
                  Jessica Munch},
  title = 	 {Displaying Uncertainty: Investigating the Effects of
                  Display Format and Specificity},
  journal = 	 {Human Factors: The Journal of the Human Factors and
                  Ergonomics Society},
  year = 	 {2005},
  volume = 	 {47},
  number = 	 {4},
  pages = 	 {777-796},
}

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References:

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