 楚魂（楚魂）
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Re:Re:【转载文章】规模杀人犯心...
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03年10月09日23点09分 |
【cissyfox在大作中谈到:】
找到一点有意思的东东，与foxMM分享，更多相关资料见http://antipolygraph.org OR http://www.polygraph.org/
Why is AntiPolygraph.org dedicated to the abolishment of polygraph "testing?"
A. Because polygraph "testing" has not been shown to reliably distinguish between truth and deception. Despite the myth of an accurate "lie detector" which has long been part of American popular culture, the polygraph has failed miserably when put to the test by scientists under field conditions. In fact, polygraph "tests" are not science-based tests at all, but are instead fundamentally dependent on trickery. In addition, easily learned techniques allow anyone to beat the "test" and produce a "truthful" outcome.
Polygraph "testing" results in many truthful persons being wrongly branded as liars, while any liar can easily beat the "test." Hence, reliance on polygraph "test" results to any degree is both morally wrong and foolhardy.
Q. I have seen polygraph proponents claim that polygraph testing is 95-99% accurate. On what are claims like this based?
A. The studies purporting to prove accuracy percentage rates in the high nineties to which polygraph proponents refer have not passed the muster of scientific peer review and/or have not been performed under field conditions. Instead, they have largely been conducted by researchers with a vested interest in polygraphy and published in polygraph or law enforcement trade journals.
Can polygraph "tests" be beaten? Must one be a sociopathic liar or "believe one's own lies" to do so?
A. Anyone can beat a polygraph test. It is a common misperception that one must be a sociopathic liar or somehow believe one's own lies to beat the polygraph. The truth is that one need merely understand the trickery on which the "test" depends. In particular, one must understand the difference between relevant, irrelevant, and so-called "control" questions (which provide no control whatsoever in the scientific sense of the word). The key to beating a polygraph "test" is 1) to make no damaging admissions and 2) to subtly augment one's physiological responses to the "control" questions. You will find a full explanation of exactly how to employ these techniques in Chapter 4 of The Lie Behind the Lie Detector.
:)
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