What Leanne ten Brinke has said about Deception detection
6 quotes · 1 episode · Sep 7, 2026
Leanne ten Brinke, Psychologist, director of the Truth and Trust Lab at the University of British Columbia, and author of Poisonous People, has been quoted on Deception detection 6 times in 1 episode of The Diary Of A CEO with Steven Bartlett, most recently on September 7, 2026. Each quote below is verbatim and links to the moment it was said.
In their words
Ten Brinke reported that four cues predicted with about 90% accuracy which TV pleaders were lying, though a later replication found more modest effects.
“we were able to use four different cues, so two verbal and two nonverbal, to predict with about 90% accuracy who was lying”
The Diary Of A CEO with Steven Bartlett: Human Lie Detector: The #1 Sign They’re Lying To You, Catch Liars Instantly! | Dr Leanne ten Brinke (Sep 7, 2026) · Listen from 9:02
Ten Brinke said the most consistent difference between liars and truth tellers is that liars give fewer details.
“the most consistent effect we have that differentiates people who are telling the truth from people who are lying is the amount of detail that they give”
The Diary Of A CEO with Steven Bartlett: Human Lie Detector: The #1 Sign They’re Lying To You, Catch Liars Instantly! | Dr Leanne ten Brinke (Sep 7, 2026) · Listen from 10:10
Ten Brinke said people detect lies at only about 54% accuracy on average.
“People are not very good at detecting these lies or really any kind of lies. On average, people perform at about 54% accuracy”
The Diary Of A CEO with Steven Bartlett: Human Lie Detector: The #1 Sign They’re Lying To You, Catch Liars Instantly! | Dr Leanne ten Brinke (Sep 7, 2026) · Listen from 14:31
Ten Brinke argued that learning to ask good, unanticipated questions is an essential tool for detecting lies.
“learning how to ask good questions is actually a really kind of essential tool for detecting lies”
The Diary Of A CEO with Steven Bartlett: Human Lie Detector: The #1 Sign They’re Lying To You, Catch Liars Instantly! | Dr Leanne ten Brinke (Sep 7, 2026) · Listen from 15:30
Ten Brinke said simply judging how verifiable a statement is beats trying to combine many unreliable cues.
“it is better to focus on one cue that works than to try to put together all of these little cues that mostly don't work at all”
The Diary Of A CEO with Steven Bartlett: Human Lie Detector: The #1 Sign They’re Lying To You, Catch Liars Instantly! | Dr Leanne ten Brinke (Sep 7, 2026) · Listen from 19:32
Ten Brinke reported that people feel less close to conversation partners who lie to them, even without suspicion.
“we keep finding these pretty small but consistent effects that people feel less close to their interaction partner when someone is lying to them”
The Diary Of A CEO with Steven Bartlett: Human Lie Detector: The #1 Sign They’re Lying To You, Catch Liars Instantly! | Dr Leanne ten Brinke (Sep 7, 2026) · Listen from 52:26
Episodes
Human Lie Detector: The #1 Sign They’re Lying To You, Catch Liars Instantly! | Dr Leanne ten BrinkeThe Diary Of A CEO with Steven Bartlett · Sep 7, 2026 · 1 h 44 min
Psychologist Leanne ten Brinke tells Steven Bartlett how to detect lies, explains the Dark Tetrad of personality traits, and offers rules for dealing with toxic people.
Leanne ten Brinke on other topics
- Psychopathy and leadership · 3 quotes
- Psychopathy · 3 quotes
- Parenting and personality development · 2 quotes
- Dark Tetrad · 2 quotes
- Gaslighting · 1 quote
- Narcissism · 1 quote
- Body language · 1 quote