Detecting deception using comparable truth baselines

Glynis Bogaard, Ewout H. Meijer, Aldert Vrij, Galit Nahari

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Baselining–comparing the statements of interest to a known truthful statement by the same individual–has been suggested to improve lie detection accuracy. A potential downside of baselining is that it might influence the characteristics of a subsequent statement, as was shown in previous studies. In our first experiment we examined this claim but found no evidence that a truthful baseline influenced the characteristics of a subsequent statement. Next, we investigated whether using a truthful baseline statement as a within-subject comparison would improve lie detection performance by investigating verbal cues (Experiment 1) and intuitive judgements of human judges (Experiment 2). Our exploratory analyses showed that truth tellers included more auditory and temporal details in their target statement than in their baseline than liars. Observers did not identify this verbal pattern. Exposure to a truthful baseline statement resulted in a lower truth accuracy but no difference in lie accuracy.

Original languageEnglish
JournalPsychology, Crime and Law
Early online date22 Jan 2022
StateE-pub ahead of print - 22 Jan 2022

Bibliographical note

Publisher Copyright:
© 2022 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.


  • Baselining
  • cues to deception
  • lie detection accuracy
  • verbal credibility assessment


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