Our tendency to believe outcomes are more likely to occur if they are part of a large category rather than part of a small category, even if each outcome is equally likely. While the bias is based on experimental studies that have been successfully replicated, the interpretation of the evidence remains mixed..
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- Isaac, M. S., & Brough, A. R. (2014). Judging a part by the size of its whole: The category size bias in probability judgments. Journal of Consumer Research, 41(2), 310-325.
- Perfecto, H., Nelson, L. D., & Moore, D. A. (2018). The category size bias: A mere misunderstanding. Judgment & Decision Making, 13(2).