Polygraph - Wikipedia
网页A polygraph, often incorrectly referred to as a lie detector test, [1][2][3] is a pseudoscientific [4][5][6] device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while a person is asked and answers a series of questions. [7]
The Truth About Lie Detectors (aka Polygraph Tests)
网页2004年8月5日 · Polygraph examinations often include a procedure called a "stimulation test," which is a demonstration of the instrument's accuracy in detecting deception. Several questioning techniques are commonly used in polygraph tests. The most widely used test format for subjects in criminal incident investigations is the Control Question Test (CQT).
POLYGRAPH中文(简体)翻译：剑桥词典 - Cambridge Dictionary
网页POLYGRAPH中文 (简体)翻译：剑桥词典. polygraph 在英语-中文（简体）词典中的翻译. noun [ C ] uk / ˈpɒl.i.ɡrɑːf / us / ˈpɑː.li.ɡræf / Add to word list. a piece of electronic equipment used to try to discover if someone is telling lies. 测谎仪. 同义词. lie detector. (polygraph在剑桥英语-中文（简体）词典的翻译 © Cambridge University Press) polygraph的 例句.
How Do Polygraphs Work? - Psychology Today
网页2022年6月29日 · Polygraphs measure physiological changes in the cardiovascular system, breathing, and sweating. By comparing the physiology of people when they are lying and telling the truth, lying can be ...
Lie detectors: Why they don't work, and why police use them anyway
网页2014年8月14日 · The FBI gives a polygraph test to every single person who's considered for a job there. When the DEA, CIA, and other agencies are taken into account, about 70,000 people a year submit to...
A review of the polygraph: history, methodology and current status
网页2015年7月8日 · The history of research into psychophysiological measurements as an aid to detecting lying, widely known as the ‘lie detector’ or polygraph, is the focus of this review. The physiological measurements used are detailed and the debates that exist in regards to its role in the investigative process are introduced.
The Scientific Basis for Polygraph Testing - The National …
网页The Scientific Basis for Polygraph Testing. E vidence relevant to the validity of polygraph testing can come from two main sources: basic scientific knowledge about the processes the polygraph measures and the factors influencing those processes, and applied research that assesses the criterion validity or accuracy of polygraph tests in ...
What Is A Polygraph - Crime Museum
网页A polygraph, most commonly referred to as a lie detector, is a machine that is used by law enforcement to test the physiological responses of individuals to certain questions. Despite its colloquial name, the polygraph does not detect lies and most polygraph examiners will say that they do not test specifically for lies, but for deceptive ...
The Science Behind the Polygraph Machine | Psychology Today
网页2022年9月18日 · The polygraph is an instrument that measures a person’s physiological changes to the questions asked. An elevated physiological response to a particular question can help...
How Do Polygraphs Work? - Psychology Today
网页2022年6月29日 · Polygraphs measure physiological changes in the cardiovascular system, breathing, and sweating. When people lie, their bodies tend to react in detectable ways. By comparing the physiology of...
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