Reducing confirmation bias and evaluation bias: When are preference-inconsistent recommendations effective - and when not?

  • Authors:
  • Christina Schwind;JüRgen Buder

  • Affiliations:
  • Knowledge Media Research Center, Schleichstraíe 6, 72076 Tübingen Germany;Knowledge Media Research Center, Schleichstraíe 6, 72076 Tübingen Germany

  • Venue:
  • Computers in Human Behavior
  • Year:
  • 2012

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Abstract

When a diversity of viewpoints on controversial issues is available, learners prefer information that is consistent with their prior preferences. Following previous findings, preference-inconsistent recommendations can be used to overcome this bias. Two studies investigated the role of two potential moderators (prior knowledge; cooperation vs. competition) that impact the influence of recommendations on confirmation bias (the tendency to select more preference-consistent information) and evaluation bias (the tendency to evaluate preference-consistent information as better). In Study 1, preference-inconsistent recommendations reduced confirmation bias irrespective of prior knowledge, whereas evaluation bias was only reduced for participants with no prior knowledge. In Study 2, it was found that preference-inconsistent recommendations led to reduced confirmation bias under cooperation and under competition, whereas evaluation bias was only reduced under cooperation. Together, these studies showed that preference-inconsistent recommendations have the potential to trigger critical thinking patterns under favorable conditions. Future research and practical implications are discussed.