My interest is in the lying and lie-detecting that goes on in ordinary social life, when people have no polygraphs, brain scans, or any other bells or whistles to help them figure out what is really going on. I have studied lying for more than three decades, and published dozens of papers and chapters and a few books. My research and writing address questions such as: How often do people lie? To whom do they tell their lies? Can people tell when others are lying? and How do ordinary people become extraordinary liars? I have also written about moral issues in my chapter, “The many faces of lies,” in the book, The Social Psychology of Good and Evil. The chapter is also available in the book, The Hows and Whys of Lies.


I’ve written about deception for the opinion page for the New York Times and for books about popular television shows such as Dexter and House. I’ve also appeared on various national television and radio shows to talk about the psychology of lying. My deception research has been described in many newspapers and magazines. All that is detailed below.


You may also want to check out the deception section of the BLOG on this website.

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