Research
Papers
Abstract: Polygraph tests play an important role in worldwide law enforcement. We addressed criticisms about standardization of field
application by contrasting the highly standardized directed lie approach with the clinical probable lie approach. Participants
(N=137) either did or did not steal an envelope containing $20. They were then given a polygraph test with either directed
lie or probable lie comparison questions and variation in between repetition review. All variations produced high
discrimination, but there were no effects between the variations. These results suggest that the more standardized directed
lie variant should be used in the field.
An Information Countermeasures Has No Effect on the Validity of the Test for
Espionage and Sabotage (TES)
Horizontal Gaze Nystagmus test: The state of the Science in 1995
Studies of the Accuracy of Security Screening Polygraph Examinations
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Last Updated - 12 May 2009