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Related Experiment Videos

Commission errors but not critical lures decrease when you have to pay a price for them.

Ingrid Candel1, Harald Merckelbach, Marko Jelicic

  • 1Maastricht University, Department of Experimental Psychology, The Netherlands. i.candel@psychology.unimaas.nl

The American Journal of Psychology
|February 9, 2007
PubMed
Summary
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Monetary penalties reduced false memories in a study using the Deese-Roediger-McDermott paradigm. Financial incentives did not affect true recall or critical lure intrusions, suggesting penalties specifically target memory errors.

Area of Science:

  • Cognitive Psychology
  • Memory Research
  • Behavioral Economics

Background:

  • False memories, or recalling non-existent events, are a common memory distortion.
  • The Deese-Roediger-McDermott (DRM) paradigm is a standard method for inducing and measuring false memories.
  • Understanding factors that influence false memory formation is crucial for legal and clinical applications.

Purpose of the Study:

  • To investigate the impact of monetary penalties on the occurrence of false memories.
  • To determine if financial incentives or disincentives affect memory accuracy within the DRM paradigm.

Main Methods:

  • Participants studied lists of words designed to elicit a specific non-presented 'critical lure'.
  • One group received monetary rewards for correct recall and penalties for errors.

Related Experiment Videos

  • A control group received fixed compensation, with experimental group performance compared to controls.

    • Main Results:

    • Participants facing monetary penalties reported significantly fewer commission errors (false recollections).
    • No significant differences were found between groups in the number of correct recalls (hits).
    • The rate of recalling the critical lure did not differ between the penalty and control groups.

    Conclusions:

    • Monetary penalties can effectively reduce specific types of memory errors, such as commission errors.
    • Financial consequences appear to modulate the tendency to produce false memories without impairing true recall accuracy.
    • This suggests that the cost of making errors can serve as a regulatory mechanism for memory production.