3 Dead Simple Ways to Catch a Liar in the Act

Noted: ?We wanted to create a situation where people could choose to lie or not lie, and it would happen naturally,? says the study?s lead author, Lyn M. Van Swol, a professor at the University of Wisconsin-Madison. Watching how the players interacted, Van Swol and her colleagues at the University of Wisconsin and Harvard concluded that players exhibited three easy ?tells? when they were lying.