Testing the descriptive validity of possibility theory in human judgments of uncertainty

  title={Testing the descriptive validity of possibility theory in human judgments of uncertainty},
  author={Eric Raufaste and Rui Da Silva Neves and Claudette Marin{\'e}},
  journal={Artif. Intell.},
Many works in the past showed that human judgments of uncertainty do not conform very well to Probability Theory. The present paper reports four experiments that were conducted in order to evaluate if human judgments of uncertainty conform better to Possibility Theory. At first, two experiments investigate the descriptive properties of some basic possibilistic measures. Then a new measurement apparatus is used, the Ψ-scale, to compare possibilistic vs. probabilistic disjunction and conjunction… CONTINUE READING

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