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Dynamic source credibility and its impacts on knowledge revision.

Victoria Johnson1, Reese Butterfuss2, Panayiota Kendeou3

  • 1Department of Educational Psychology, University of Minnesota, 56 East River Road, Minneapolis, MN, 55455, USA. joh19233@umn.edu.

Memory & Cognition
|May 9, 2024
PubMed
Summary
This summary is machine-generated.

Reader beliefs change when correcting misconceptions. High-credibility sources improve knowledge revision, and source credibility judgments are malleable, not fixed.

Keywords:
Knowledge revisionRefutation textsSource credibility

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Area of Science:

  • Cognitive Psychology
  • Information Science
  • Media Psychology

Background:

  • Readers' misconceptions are corrected by information from credible sources.
  • Source credibility evaluations are malleable and influence belief revision.
  • Understanding how source credibility updates affect knowledge revision is crucial.

Purpose of the Study:

  • To investigate how updating source credibility influences knowledge revision.
  • To examine the impact of refutation texts on credibility evaluations.
  • To determine if initial credibility judgments are fixed or adaptable.

Main Methods:

  • Two experiments were conducted to manipulate source credibility.
  • Participants engaged with refutation and non-refutation texts.
  • Source credibility was updated from neutral, high, or low to other levels.

Main Results:

  • Readers revised their credibility judgments, showing judgments are malleable.
  • Refutations from high-credibility sources facilitated knowledge revision.
  • Source credibility updates influenced readers' final credibility evaluations.

Conclusions:

  • Source credibility judgments are not fixed and can be updated.
  • High-credibility sources delivering refutations enhance both knowledge and credibility revision.
  • Understanding the dynamic nature of source credibility is key for effective communication.