Passerini, Gabriella; Macchi, Laura; Bagassi, Maria - In: Judgment and Decision Making 7 (2012) 5, pp. 602-617
The ratio-bias (RB) phenomenon is considered to provide systematic evidence of irrationality. When judging the probability of a low-probability event, many people judge it as less likely when it is expressed as a ratio of small numbers (e.g., 1-in-10) than when it is expressed as a ratio of...