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Processing information as questions, rather than statements, can reduce the "truth effect," where repeated information seems more true. This finding offers new strategies for combating misinformation.

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Area of Science:

  • Cognitive Psychology
  • Social Psychology
  • Information Processing

Background:

  • The 'truth effect' describes the tendency for people to perceive previously encountered information as more truthful.
  • This phenomenon is robust and difficult to mitigate with traditional interventions.
  • Understanding factors influencing the truth effect is crucial for addressing misinformation.

Purpose of the Study:

  • To investigate whether processing information in interrogative (question) form can counteract the repetition-induced truth effect.
  • To explore the impact of sentence form (declarative vs. interrogative) on the perception of truth after repeated exposure.
  • To assess the effectiveness of question-based processing as a debiasing strategy against the truth effect.

Main Methods:

  • Three preregistered experiments involving participants (N=100, 325, 235) judging the truth of repeated and unrepeated sentences.
  • Manipulation of sentence form: participants processed information in either declarative or interrogative (question) formats.
  • Varied exposure and judgment phases for interrogative sentences across experiments to test different processing conditions.

Main Results:

  • A significant truth effect was observed for declarative sentences but was substantially reduced or eliminated for interrogative sentences.
  • Processing sentences as questions during exposure and judgment significantly counteracted the truth effect compared to declarative processing.
  • Repetition had a lesser impact on certainty of truth judgments for interrogative sentences than for declarative sentences.

Conclusions:

  • Presenting information in question form can effectively mitigate the truth effect, challenging its resistance to interventions.
  • Findings suggest that the cognitive processing associated with questions may inhibit the automatic truth-enhancement mechanism of repetition.
  • The results have significant implications for developing debiasing strategies to improve critical evaluation of information.