I wonder how much of this is due to people getting away with it the first time and thus positive reinforcement, also not all lies are created equal. Someone lying on a job application, lying to the cops etc. vs. lying to your friend or spouse for example. This strikes me as a very flawed study.

I think the reasons people lie are more important to examine than this weird phrenology shit trying to peg certain people as predisposed to lying. In short this is pseudoscience bullshit.