critics say there’s no evidence that these efforts have stopped a single terrorist or accomplished much beyond inconveniencing tens of thousands of passengers a year. The T.S.A. seems to have fallen for a classic form of self-deception: the belief that you can read liars’ minds by watching their bodies. ... “The common-sense notion that liars betray themselves through body language appears to be little more than a cultural fiction,” One technique that has been taught to law-enforcement officers is to watch the upward eye movements of people as they talk. This is based on a theory from believers in “neuro-linguistic programming” that people tend to glance upward to their right when lying, and upward to the left when telling the truth. But this theory didn’t hold up when it was tested by a team of British and North American psychologists. They found no pattern in the upward eye movements of liars and truth tellers, whether they were observed in the laboratory or during real-life news conferences. The researchers also found that people who were trained to look for these eye movements did not do any better than a control group at detecting liars.
Posted on: Tue, 25 Mar 2014 01:05:12 +0000
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