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Related Experiment Video

Updated: May 28, 2026

The Modified Temptation Resistance Task: A Paradigm to Elicit Children's Strategic Lie-telling
06:51

The Modified Temptation Resistance Task: A Paradigm to Elicit Children's Strategic Lie-telling

Published on: April 6, 2018

Reading is believing: the truth effect and source credibility.

Linda A Henkel1, Mark E Mattson

  • 1Department of Psychology, Fairfield University, Fairfield, CT 06824, USA. lhenkel@fairfield.edu

Consciousness and Cognition
|October 8, 2011
PubMed
Summary
This summary is machine-generated.

Repetition increases statement credibility, regardless of source reliability. Familiarity creates an illusion of truth when source memory is weak, impacting belief in information.

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Related Experiment Videos

Last Updated: May 28, 2026

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Published on: April 6, 2018

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Published on: May 3, 2016

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
08:53

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories

Published on: November 14, 2018

Area of Science:

  • Cognitive Psychology
  • Social Psychology
  • Information Processing

Background:

  • The truth effect describes the tendency to perceive previously encountered statements as more credible.
  • Source reliability is a key factor in belief formation, but its interaction with repetition effects is complex.

Purpose of the Study:

  • To investigate how source reliability affects the truth effect.
  • To examine the role of familiarity and source memory in statement credibility judgments.

Main Methods:

  • Five experiments were conducted using undergraduate participants.
  • Participants read statements from reliable and unreliable sources, with varying repetition frequencies and retention intervals.
  • Source accuracy and statement recognition were assessed.

Main Results:

  • Statement repetition enhanced perceived validity and recognition, irrespective of source reliability.
  • Source reliability did not influence the truth effect or source accuracy.
  • These effects persisted even with delayed recall and when source information was discredited.

Conclusions:

  • Familiarity from repetition can create an illusion of truth, particularly when source memory is impaired.
  • The source monitoring framework explains how familiarity can override source-specific cues, influencing belief formation.