“…According to Koriat et al (1980), overconfidence occurs because people rely primar-r r ily on information that is consistent with the answer they have chosen and tend to neglect contradictory information. Of the various debiasing techniques that have been explored in an effort to reduce the overconfidence bias Yates, Veinott, & Patalano, 2003), one of the most successful techniques has been to ask people to change the way they make their judgments by generating counterfactual evidence for the answer they have just given (Hirt, Kardes, & Markman, 2004;Hirt & Markman, 1995;Hoch, 1985;Koehler, 1991;Koriat et al, 1980;Maki, 1998). Koriat et al (1980) found improvements in the ac-…”