Traitor or faithful: how to spot a liar
Podcast: Full StoryPublished On: Fri Oct 17 2025
Description: The BBC hit series Traitors is a show that depends on being able to accurately spot a liar, but are any deception detection methods actually backed up by science? Madeleine Finlay speaks to Timothy Luke, a senior lecturer in the department of applied psychology at the University of Gothenburg, to find out whether sweating, nervous tics and reduced eye contact really can alert us to deception – and if not, what can?
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