Polygraph Answers

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The purpose of the article by Grubin and Madsen (2005) was to explore various methods of lie detection used throughout the course of history, specifically the polygraph test . This is relevant to the fields of law and psychology because the use of polygraph test in the criminal justice system is a controversial issue.
Professional lie catchers such as police officers, judges and polygraphers perform slightly better than is due to chance on identifying deceit and were about as accurate as college students, with the exception of secret service agents who were very good at detecting deceit. There is weak evidence to support generalizable specific behaviors that are indicators if deception. A 2002 NAS review stated that polygraphs have an accuracy