Interviewing to detect omission lies

Sharon Leal, Aldert Vrij, Haneen Deeb, Ronald P. Fisher

Research output: Contribution to journalArticlepeer-review

Abstract

Interviewees sometimes deliberately omit reporting some information. Such omission lies differ from other lies because all the information interviewees present may be entirely truthful. Truth tellers and lie tellers carried out a mission. Truth tellers reported the entire mission truthfully. Lie tellers were also entirely truthful but left out one element of the mission. In truth tellers’ statements, only the parts that lie tellers were also asked to recall were analysed. Interviews were carried out via the Cognitive Credibility Assessment, Reality Interview, or standard interview protocol. Dependent variables were the details, complications and verifiable sources interviewees reported. A questionnaire measured three deception strategies: ‘Tell it all’, ‘keep it simple’ or ‘paying attention to demeanour’. Lie tellers reported fewer details, complications and verifiable sources than truth tellers and reporting these variables was negatively correlated with the ‘keep it simple’ and ‘demeanour’ strategies. The type of interview protocol did not affect the results.
Original languageEnglish
JournalApplied Cognitive Psychology
Early online date15 Nov 2022
DOIs
Publication statusEarly online - 15 Nov 2022

Keywords

  • deception
  • lying through omissions
  • complications
  • cognitive credibility assessment
  • reality interviewing
  • UKRI
  • ESRC
  • ES/N009614/1

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