Article2004

Combining advice: the weight of a dissenting opinion in the consensus

Clare Harries · Ilan Yaniv · Nigel Harvey

95 citations0/0 files storedJournal of Behavioral Decision Making

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Decision-Making and Behavioral Economics Experimental Behavioral Economics Studies Opinion Dynamics and Social Influence

Abstract

Abstract We present two studies that evaluate how people combine advice and how they respond to outlying opinions. In a preliminary study, we found that individuals use discounting strategies when they encounter an extreme opinion in a small sample of opinions taken only once (a one‐shot advice‐taking situation). The main study examines the influence of outlying opinions (which may or may not be accurate) within a learning paradigm with feedback. This study shows that it is easy to reinforce a discounting strategy (with feedback) whereas it is more difficult to counteract this default strategy. In the discussion we consider cognitive, statistical, and strategic justifications for discounting opinions, from both theoretical and practical points of view. Copyright © 2004 John Wiley & Sons, Ltd.

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References

1957A Theory of Cognitive Dissonance 2017A Theory of Cognitive Dissonance 1958The psychology of interpersonal relations.1958The Psychology of Interpersonal Relations.1955A study of normative and informational social influences upon individual judgment.1979Biased assimilation and attitude polarization: The effects of prior theories on subsequently considered evidence.1998The Evolution of Conformist Transmission and the Emergence of Between-Group Differences 1954The Conceptual Framework of Psychology

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