In the course of the committee’s work, we reviewed some material on the origin and history of polygraph testing. Some of this material is presented here because it provides interesting context and ...
The polygraph is not a lie detector but rather an instrument that measures a person’s physiological changes to questions posed by the examiner. An elevated physiological response to a particular ...
Karl Sander’s disputed polygraph test has been declared invalid after serious examiner errors emerged at the Madlanga Commission, raising questions about how lie detector tests work.
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