Cited by 167Social Media and PoliticsMedia Influence and PoliticsMisinformation and Its Impacts

Confirmation Bias in Online Searches: Impacts of Selective Exposure Before an Election on Political Attitude Strength and Shifts

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Knobloch-Westerwick, Silvia, Johnson, Benjamin K., Westerwick, Axel·2015·Journal of Computer-Mediated Communication

Abstract

Impacts of Internet use on political information seeking and subsequent processes have been subject to much debate. A 2-session online field study presented online search results on political topics to examine selective exposure and its attitudinal impacts. Session 1 captured attitudes, including their accessibility. Session 2 tracked what online search results participants selected and how long they read them; participants then reported attitudes again. The study represented a 4x8x2x2 within-subjects design: 4 topics, 8 browsing intervals each, with articles presenting opposing stances, with low versus high source credibility. Attitude-consistent messages and messages from high-credibility sources were preferred. Exposure to attitude-consistent search results increased attitude accessibility and reinforced attitudes, whereas exposure to attitude-discrepant content had opposite effects, regardless of messages' source credibility.

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  • Attitude strength in politically relevant domains increases selective exposure constitutive of confirmation bias.

    “In fact, in psychology, attitude strength, especially, in politically relevant domains of thinking has long been and still is widely accepted to increase the kind of selective exposure constitutive of confirmation bias (Knobloch-Westerwick et al. 2015: 173).”

    From What Is the Function of Confirmation Bias? (2022) · cites this paper as Knobloch-Westerwick et al. 2015: 173

    The available passage is a bibliographic entry, not a discussion of attitude strength or selective exposure. Searches for the claimed relationship and for preferences for attitude-consistent political information returned no substantive passage, so our copy does not establish whether the paper supports the claim. (LLM, conf=0.72)

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References 43 · Cited by 167

Authors
Knobloch-Westerwick, S., Johnson, B. K., & Westerwick, A.
Affiliations
  • School of Communication; The Ohio State University; 3020 Derby Hall Columbus OH 43210
  • Vrije Universiteit Amsterdam (NL)
  • The Ohio State University (US)
Venue
Journal of Computer-Mediated Communication
Published
2014-11-10
Volume
20
Issue
2
Pages
171-187
ISSN
1083-6101 (ISSN-L)
OpenAlex
W1971070829
Cited by
167
References
43
Citations by year
2026: 7 · 2025: 16 · 2024: 22 · 2023: 21 · 2022: 23 · 2021: 19 · 2020: 19 · 2019: 16 · 2018: 11 · 2017: 7 · 2016: 5 · 2015: 1
FWCI
12.77
Type
journal article
Language
en
Open access
Locations
  • Journal of Computer-Mediated Communication (publishedVersion)
  • VU Research Portal (publishedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
Topics
  • Social Sciences › Communication › Social Media and Politics
  • Social Sciences › Sociology and Political Science › Media Influence and Politics
  • Social Sciences › Sociology and Political Science › Misinformation and Its Impacts
Keywords
confirmation bias, selective exposure, online search, political information seeking, attitude accessibility, attitude strength, attitude change, source credibility, political attitudes, political campaigns

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