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Related Experiment Videos

Extraversion and the rebound effect after thought suppression.

N Bourdon1, S J McKelvie, D Stout

  • 1Department of Psychology, Bishop's University, Lennoxville, Québec, Canada.

Psychological Reports
|October 13, 2001
PubMed
Summary
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Trying to suppress thoughts of a white bear did not lead to more thoughts later for introverts or extraverts. This study found no evidence of a thought suppression rebound effect in either personality type.

Area of Science:

  • Psychology
  • Cognitive Science

Background:

  • The ironic process theory suggests that attempting to suppress a thought can lead to a rebound effect, increasing its frequency.
  • Individual differences, such as introversion and extraversion, may influence cognitive control and thought suppression efficacy.

Purpose of the Study:

  • To investigate whether attempting to suppress the idea of a white bear elicits a rebound effect.
  • To examine if introversion or extraversion moderates the presence or absence of a thought suppression rebound effect.

Main Methods:

  • 83 participants were instructed to think about a white bear, either before or after a period of attempting to suppress the thought.
  • Thought frequency was assessed before and after the suppression period.

Main Results:

Related Experiment Videos

  • No significant increase in white-bear thoughts was observed after the suppression period compared to the period before suppression.
  • This lack of rebound effect was consistent across both introverted and extraverted participants.

Conclusions:

  • The study did not find evidence supporting the ironic process theory's rebound effect for suppressing thoughts of a white bear.
  • Introversion and extraversion did not appear to influence the efficacy of thought suppression in this context.