can lie detectors really detect lies?
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The American Psychological Association states "Most psychologists agree that there is little evidence that polygraph tests can accurately detect lies." In 1991, two thirds of the scientific community who have the requisite background to evaluate polygraph procedures considered polygraphy to be pseudoscience.
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Are White Lies as Innocuous as We Think? This research examines the implications of telling an “innocent” white lie after a negative interpersonal encounter. We propose that if a white lie falls outside an acceptable range of dishonesty, cognitive dissonance will arise and produce neg- ative affect.
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Electrical stimulation of the prefrontal cortex appears to improve our ability to deceive. This region of the brain may, among other things, be responsible for the decision to lie or tell the truth.
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Polygraphs are also commonly used as part of the screening process for certain types of jobs, such as law enforcement and some high level security positions. Nevertheless, for purposes of court procedures, absent a stipulation of the parties, the results of a lie detector test are likely never admissible.
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The best description of this fallacy (assuming you did not call actually call the other a liar) would be a Red Herring. ... If you think the accusation was merely outrage at being disagreed, then the closest fallacy to that would be argument from authority.
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Lie Detection - As the Guardian of Veracity in the Vernacular, Myrtle has the magical ability to tell when lies have been told. She used this power in her youth to figure out that Fiona Goode murdered the previous Supreme, Anna Leigh Leighton.
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Lying is explicitly stating something you know to be false, whereas dishonesty can involve withholding or misrepresenting information. For example: if you're selling a house, someone might ask if their are any problems with the foundation.
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["People lie. We all lie; it's only the scale of lying that separates us. ... ", 'People long to be heard. Everyone has a story to tell — and wants someone to hear it and, so, to understand them. ... ', 'People are most fascinated by themselves. ... ', 'People are scared.', 'People want (and desperately need) to feel hope.']
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Sure, it might be lying, but it might be the fact that they're worried or stressed about something else. They could be uncomfortable or hiding something totally unrelated.
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Take proactive steps to try to prevent your boss from lying to you again. Be explicit about your moral code and build strong relationships. And pay attention. Carefully read memos and presentations that your boss and others circulate, and ask yourself if they fit logically with the messages your boss is giving you.
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Lying is a form of deception, but not all forms of deception are lies. Lying is giving some information while believing it to be untrue, intending to deceive by doing so. A lie has three essential features: A lie communicates some information.
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Despite claims of 90% validity by polygraph advocates, the National Research Council has found no evidence of effectiveness. ... The American Psychological Association states "Most psychologists agree that there is little evidence that polygraph tests can accurately detect lies."
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Lying tears apart friendships and families. Dishonesty may even be one of the many things that creates an atmosphere in businesses where productivity is decreased. If lying can create this much trouble in regular relationships, then committed marriages can be devastated by just one little white lie.
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The police ARE allowed to lie to you or misinform you. Don't be fooled. Many times they will promise you that your situation will be easier if you fully cooperate or tell them what they want to know, but they do not have to follow through on their promises.
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A pathological liar tells lies and stories that fall somewhere between conscious lying and delusion. They sometimes believe their own lies.
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Research on how lying affects health is scant, but lying is thought to trigger the release of stress hormones, increasing heart rate and blood pressure.
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Is it expensive to arrange for a lie detector test? ... Typically, polygraph results are not admissible in courts in the US because they are not able to meet the requirements for scientific evidence. They're typically expensive to the tune of hundreds of dollars, and they “prove" nothing conclusively.