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Last Updated: Friday, 2 March 2007, 12:24 GMT
Testing the psychology of lying
Breakfast's Chris Hollins
Can you tell when Chris is fibbing? Watch our clips and vote online
How can you tell if someone is lying? Most of us think we can spot a lie, particularly if it is face-to-face. But what clues give a liar away and can you learn to spot those tell-tale signs?

Psychologist Dr Richard Wiseman is conducting an experiment to see if he can find out.

Using recorded interviews he is analysing the visual clues humans give when we construct lies.

He wants to test how easy lies are to uncover and whether there is a difference between men and women when it comes to lie detection.

On Monday's Breakfast programme we're showing two interviews Dr Wiseman conducted with BBC presenter Chris Hollins about his favourite family holiday.

In one interview Chris constantly lies, in the other he tells the truth.

VOTE RESULTS
Is clip one or clip two the pack of lies?
Chris' France holiday
 49.03% 
Chris' Wales holiday
 50.94% 
3922 Votes Cast
Results are indicative and may not reflect public opinion
Watch the clips below and - using the voting buttons - tell us which version you think is really Chris' favourite family holiday.

Chris' France holiday Chris' Wales holiday

Voting is open until the end of the programme on Tuesday morning at 0930gmt.

Breakfast will reveal the "true" clip and how many of you got it right during Wednesday's programme.

Dr Wiseman will be back to provide analysis of how the participants got on.

VOTE RESULTS
Are you male or female?
Male
 57.53% 
Female
 42.47% 
3459 Votes Cast
Results are indicative and may not reflect public opinion

This experiment is part of a wider exploration into the psychology of lying and spying, currently show-casing at London's Science Museum.

Dr Wiseman is hosting a debate on the subject at the Science Museum's Dana Centre, called "The Scientist Who Loved Me", on Wednesday March 7 at 1900gmt.

BBC Breakfast

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