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Related Experiment Videos

Cues to deception.

Bella M DePaulo1, James J Lindsay, Brian E Malone

  • 1Department of Psychology, University of Virginia, USA. depaulo@psych.ucsb.edu

Psychological Bulletin
|January 31, 2003
PubMed
Summary
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Research synthesis methods·2015

Liars are less forthcoming and tell less compelling stories than truth tellers. Deception cues are stronger when people are motivated to succeed, especially for identity-relevant lies about transgressions.

Area of Science:

  • Psychology
  • Behavioral Science
  • Forensic Psychology

Background:

  • Understanding behavioral differences between truth-telling and deception is crucial.
  • Identifying reliable cues to deception aids in various fields, including law and security.

Purpose of the Study:

  • To synthesize existing research on behavioral cues to deception.
  • To determine which behavioral indicators reliably distinguish liars from truth-tellers.

Main Methods:

  • Meta-analysis of 1,338 estimates across 158 distinct cues to deception.
  • Analysis of factors influencing the strength of deception cues.

Main Results:

  • Liars were less forthcoming, told less compelling stories, made a more negative impression, and appeared more tense.

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  • Fewer ordinary imperfections and unusual contents were noted in deceptive accounts.
  • Many behaviors showed weak or no links to deceit; cues were stronger when motivated by identity-relevant success or transgressions.

    • Conclusions:

    • While some behavioral cues reliably indicate deception, many do not.
    • Motivation and the nature of the lie significantly impact the visibility of deception cues.