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Assessing lying about opinions through extending the devil's advocate interview protocol with a same example

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Summary
This summary is machine-generated.

The devil's advocate interview protocol effectively detects deception in opinions. Adding a same example statement improved distinguishing truth-tellers from liars based on eloquence and passion.

Keywords:
DeceptionEloquenceInterviewingOpinionsSame example statement

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Area of Science:

  • Psychology
  • Forensic Psychology
  • Deception Detection

Background:

  • The devil's advocate interview protocol is designed to detect lies concerning opinions.
  • It involves eliciting reasons supporting an opinion and reasons opposing it.

Purpose of the Study:

  • To investigate if including a "same example statement" enhances the devil's advocate protocol's ability to differentiate truth-tellers from liars.
  • To assess the impact of a model statement on detecting deception in expressed opinions.

Main Methods:

  • 171 participants (truth-tellers and liars) provided opinions on societal issues.
  • Half of the participants viewed a "same example statement" before their interview.
  • Interviews assessed eloquence, passion, and predictability in responses to opinion and devil's advocate requests.

Main Results:

  • The devil's advocate protocol showed differences in eloquence and passion between truth-tellers and liars.
  • The "same example statement" condition significantly enhanced the protocol's effectiveness in detecting deception.
  • Hypotheses were supported regarding increased eloquence and passion in truth-tellers.

Conclusions:

  • The devil's advocate interview protocol is a viable method for detecting deception in opinions.
  • Incorporating a "same example statement" demonstrably improves the accuracy of this deception detection method.
  • Eloquence and passion are key indicators for distinguishing genuine opinions from fabricated ones.