Dr. Rebecca Wilcoxon

Yet it seems that people use this worldwide.

The problem with this, and if you look at, as I have lie detection methods used throughout history, is that people are assuming that someone who is lying is nervous, is afraid, is

And the methods used are those that are actually correlated with fear or shame.

If people are ashamed, but they can lower their gaze.

Okay.

If people are nervous, they will like shake, but... Not every liar is nervous, I suppose.

Yeah.

And the irony is people most likely to commit crimes, which is people with antisocial personality disorder and particularly people with psychopathy, they are unlikely to be nervous.

They're not.

And it seems a lot of psychopaths care little about going to prison.

So the person who's highly anxious, ironically, is the person least likely to do something.

And the person most likely to do a crime is the person most likely to be convincing.

Absolutely.

I think it really is because there's just so much discussion about where does this come from?

You may get people from Western cultures who are quite happy to be in the spotlight, whereas other people from collectivist cultures can be embarrassed to be in the spotlight.

And it's nothing to do with anything they've done.

It's just a cultural norm.

So, there's actually... They call it the Pinocchio's nose.

There is no one behavior that will reliably predict lying.

So, there are methods that police will use that are grounded in sort of solid theory, such as if you're telling me...