Partition priming in judgment under uncertainty.

  title={Partition priming in judgment under uncertainty.},
  author={Craig R. Fox and Yuval Rottenstreich},
  journal={Psychological science},
  volume={14 3},
We show that likelihood judgments are biased toward an ignorance-prior probability that assigns equal credence to each mutually exclusive event considered by the judge. The value of the ignorance prior depends crucially on how the set of possibilities (i.e., the state space) is subjectively partitioned by the judge. For instance, asking "what is the… CONTINUE READING