Effects of ignorance and information on judgments and decisions

Ayton, Peter, Önkal, Dilek and McReynold, Lisa (2011) Effects of ignorance and information on judgments and decisions. Judgment and Decision Making, 6 (5). pp. 381-391. ISSN 1930-2975

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Official URL: http://journal.sjdm.org/11/rh7/rh7.pdf


We compared Turkish and English students' soccer forecasting for English soccer matches. Although the Turkish students knew very little about English soccer, they selected teams on the basis of familiarity with the team (or its identified city); their prediction success was surprisingly similar to knowledgeable English students - consistent with Goldstein and Gigerenzer's (1999; 2002) characterization of the recognition heuristic. The Turkish students made forecasts for some of the matches with additional information - the half-time scores. In this and a further study, where British students predicting matches for foreign teams could choose whether or not to use half-time information, we found that predictions that could be made by recognition alone were influenced by the half-time information. We consider the implications of these findings in the context of Goldstein and Gigerenzer's (2002, p. 82) suggestion that "no other information can reverse the choice determined by recognition" and a recent more qualified statement (Gigerenzer & Goldstein, 2011) indicating that two processes, recognition and evaluation guide the adaptive selection of the recognition heuristic.

Item Type: Article
Uncontrolled Keywords: Heuristics, Inference, Judgmental forecasting, Recognition heuristic
Subjects: C800 Psychology
N900 Others in Business and Administrative studies
Department: Faculties > Business and Law > Newcastle Business School
Depositing User: Paul Burns
Date Deposited: 10 May 2019 15:14
Last Modified: 19 Nov 2019 09:52
URI: http://nrl.northumbria.ac.uk/id/eprint/39272

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