Sunday, September 26, 2010

The Science Behind Deception

Historically, experts have used speech tempos to determine lying, and suggested long pauses between questions and answers imply responders may be telling a lie. Mr. Reynolds found regular gaps in respondent answers occurred equally in both lies and non-lie replies. "Silence is used in talk for a range of interaction functions, and is not just a cue that could indicate deception," he said.
In the past, psychologists have used participants in controlled experiments, whereas Mr. Reynolds observed the television guests in a natural setting, using the sociological method of "conversation analysis" to analyse the lies, similar to an anthropologist.
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