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Repeating Statements Increases Source Credibility.

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PubMed
Summary
This summary is machine-generated.

Repeating information boosts its perceived truth and enhances the credibility of its source. This study explored the repetition-induced source credibility effect, finding it influences how we trust communicators.

Keywords:
credibilityillusory truthpersuasionrepetitionsource

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Area of Science:

  • Cognitive Psychology
  • Social Psychology
  • Communication Studies

Background:

  • The illusory truth effect demonstrates that repeated statements are perceived as more truthful.
  • The impact of repetition on the credibility of the information's source has not been previously investigated.

Purpose of the Study:

  • To investigate whether repeating statements enhances the perceived credibility of their source.
  • To determine if this repetition-induced source credibility effect generalizes to new information from the same source.

Main Methods:

  • Four preregistered experiments involving statement repetition and source credibility ratings.
  • Participants were exposed to repeated and unrepeated statements from various sources.
  • Subsequent experiments assessed credibility for novel statements from previously encountered sources.

Main Results:

  • Repetition significantly increased both statement truth perception and source credibility.
  • Source credibility gains from repetition generalized to new, unrepeated statements from the same source.
  • The effect was robust across different participant tasks during initial exposure.

Conclusions:

  • Repetition not only increases perceived statement truth but also enhances source credibility.
  • Findings have implications for understanding persuasion, communication management, and the illusory truth effect.
  • The study establishes a novel repetition-induced source credibility effect with practical applications.