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polygraph |
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lie detectoror polygraphInstrument for recording physiological phenomena (including blood pressure, pulse rate, and respiration) of a human subject as he or she answers questions asked by an operator. These data (recorded as graphs) are used as the basis for judging whether the subject is lying. The phenomena usually chosen for recording are those not easily controlled voluntarily. The types of questions asked, their wording, and the mode of presentation have a tremendous effect on the results and their reliability. Used in police interrogation and investigation since 1924, the lie detector is still controversial among psychologists and not always accepted as evidence in courts. polygraph an instrument for the simultaneous electrical or mechanical recording of several involuntary physiological activities, including blood pressure, skin resistivity, pulse rate, respiration, and sweating, used esp as a would-be lie detector polygraph [′päl·i‚graf] (engineering) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In a rare move, the Eugene Police Department has submitted four draft bills for this year's state legislative session, among them a proposal to allow police agencies to require prospective recruits to take a polygraph examination as part of the hiring process. Reserve officer candidates also must submit to a background check, which may include an interview, possibly with the department chief or city council; fingerprinting; drug testing; criminal, credit, driving-record, and work-history checks; and a polygraph examination. nbsp;examination as part of a sex offender treatment program did not violate the patient's due process rights, even if the patient was subject to more restrictive conditions solely because of his refusal to participate in the polygraph examination. |
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