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Do Frequency Representations Eliminate Conjunction Effects? An Exercise in Adversarial Collaboration

Do Frequency Representations Eliminate Conjunction Effects? An Exercise in Adversarial Collaboration The present article offers an approach to scientific debate called adversarialcollaboration. The approach requires both parties to agree on empirical tests forresolving a dispute and to conduct these tests with the help of an arbiter. In disputewere Hertwig's claims that frequency formats eliminate conjunction effects and that theconjunction effects previously reported by Kahneman and Tversky occurred because someparticipants interpreted the word “and” in “bank tellers and feminists” as a unionoperator. Hertwig proposed two new conjunction phrases, “and are” and “who are,” thatwould eliminate the ambiguity. Kahneman disagreed with Hertwig's predictions for “andare,” but agreed with his predictions for “who are.” Mellers served as arbiter. Frequencyformats by themselves did not eliminate conjunction effects with any of the phrases, butwhen filler items were removed, conjunction effects disappeared with Hertwig's phrases.Kahneman and Hertwig offer different interpretations of the findings. We discuss thebenefits of adversarial collaboration over replies and rejoinders, and present a suggestedprotocol for adversarial collaboration. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Psychological Science SAGE

Do Frequency Representations Eliminate Conjunction Effects? An Exercise in Adversarial Collaboration

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References (23)

Publisher
SAGE
Copyright
© 2001 Association for Psychological Science
ISSN
0956-7976
eISSN
1467-9280
DOI
10.1111/1467-9280.00350
pmid
11476091
Publisher site
See Article on Publisher Site

Abstract

The present article offers an approach to scientific debate called adversarialcollaboration. The approach requires both parties to agree on empirical tests forresolving a dispute and to conduct these tests with the help of an arbiter. In disputewere Hertwig's claims that frequency formats eliminate conjunction effects and that theconjunction effects previously reported by Kahneman and Tversky occurred because someparticipants interpreted the word “and” in “bank tellers and feminists” as a unionoperator. Hertwig proposed two new conjunction phrases, “and are” and “who are,” thatwould eliminate the ambiguity. Kahneman disagreed with Hertwig's predictions for “andare,” but agreed with his predictions for “who are.” Mellers served as arbiter. Frequencyformats by themselves did not eliminate conjunction effects with any of the phrases, butwhen filler items were removed, conjunction effects disappeared with Hertwig's phrases.Kahneman and Hertwig offer different interpretations of the findings. We discuss thebenefits of adversarial collaboration over replies and rejoinders, and present a suggestedprotocol for adversarial collaboration.

Journal

Psychological ScienceSAGE

Published: Jul 1, 2001

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