Availability: A heuristic for judging frequency and probability

@article{Tversky1973AvailabilityAH,
  title={Availability: A heuristic for judging frequency and probability},
  author={A. Tversky and D. Kahneman},
  journal={Cognitive Psychology},
  year={1973},
  volume={5},
  pages={207-232}
}
Abstract This paper explores a judgmental heuristic in which a person evaluates the frequency of classes or the probability of events by availability, i.e., by the ease with which relevant instances come to mind. In general, availability is correlated with ecological frequency, but it is also affected by other factors. Consequently, the reliance on the availability heuristic leads to systematic biases. Such biases are demonstrated in the judged frequency of classes of words, of combinatorial… Expand
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