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Polygraph Testing - Research Paper Example

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This paper studies the polygraph testing from different sides. As the author puts it, one of the most significant technological advancements in lie detection of the modern world is the use of polygraphs or lie detector which is used to measure the physiological indices of the convict…
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Polygraph Testing
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Polygraph Testing

Download file to see previous pages... A profound analysis of the history of polygraph testing reveals that this scientific approach which is used in the detection of deception has a history of more than hundreds years and it was used in the eighteenth Century. There have been several important studies on fear, heart actions, respiration etc which contributed to the development of polygraph test as part of criminal investigations. Significantly, human beings have always tried to develop techniques to detect lie and determine truth, as it is common to them to deceive each other. Interviews and interrogations are part of such techniques to find deception and new techniques of lie detection emerged in the course of time. “In the 20th century, lie detection took on scientific aspects with the development of techniques that use measures of physiological responses as indicators of deception. The best known of these is the polygraph. This technique, which relies on physiological measurements developed early in the century, has become for many in the U.S. law enforcement and intelligence communities (including counterintelligence officials in the several agencies…) the valued method for identifying criminals, spies, and saboteurs when direct evidence is lacking.” Therefore, it is essential to comprehend that the polygraph test method for lie detection has acquired general acceptance over a short period of time and it has become one of the most defining techniques of determining the truthfulness of a matter. ...
A profound analysis of the history of polygraph testing reveals that this scientific approach which is used in the detection of deception has a history of more than hundreds years and it was used in the 18th Century. There have been several important studies on fear, heart actions, respiration etc which contributed to the development of polygraph test as part of criminal investigations. Significantly, human beings have always tried to develop techniques to detect lie and determine truth, as it is common to them to deceive each other. Interviews and interrogations are part of such techniques to find deception and new techniques of lie detection emerged in the course of time. "In the 20th century, lie detection took on scientific aspects with the development of techniques that use measures of physiological responses as indicators of deception. The best known of these is the polygraph. This technique, which relies on physiological measurements developed early in the century, has become for many in the U.S. law enforcement and intelligence communities (including counterintelligence officials in the several agencies) the valued method for identifying criminals, spies, and saboteurs when direct evidence is lacking." (Committee to Review the Scientific Evidence on the Polygraph, 2003, p. 11). Therefore, it is essential to comprehend that the polygraph test method for lie detection has acquired general acceptance over a short period of time and it has become one of the most defining techniques of determining the truthfulness of a matter. However, there have also been several controversies and cynicism about the scientific reliability and ...Download file to see next pagesRead More
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