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                          "How Lie Detectors Work" 

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      How Lie Detectors Work, Dunvegan, 23:34:22, 8/31/2001
       ok, Tricia, 00:04:31, 9/01/2001, (#1)

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   "How Lie Detectors Work"
   Posted by Dunvegan on 23:34:22 8/31/2001

        From the "How Stuff Works" page:

        http://www.howstuffworks.com/lie-detector.htm

        There's about 6 pages of the basics of the machinations of the
        polygraph, how and when it's used, etc.

        Here is a sidebar from the site called "Common Countermeasures":

                       Common Countermeasures

        Often, people who are being given a polygraph exam will employ certain
        countermeasures in an attempt to beat the instrument. There are Web
        sites and books that instruct you on how to fool the polygraph. Here
        are just a few examples of how people try to trick the device:


             Sedatives
             Deodorant on fingertips
             Tacks placed in the shoe
             Biting tongue, lip or cheek



        The idea of countermeasures is to cause (or curtail) a certain reaction
        that will skew the test's result. A subject may attempt to have the
        same reaction to every question so that the examiner cannot pick out
        the deceptive responses. For example, some people will place a tack in
        their shoe and press their foot down on the tack after each question is
        asked. The idea is that the physiological response to the tack may
        overpower the physiological response to the question, causing the
        response to each question to seem identical.

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   1. "ok"
   Posted by Tricia on 00:04:31 9/01/2001
        Did someone check John and Patsy's shoes before the test?

        I wonder if the deodorant on the finger tips really works.

        I would suggest Soft and Dry spring fresh for those of you scheduled
        for a polygraph in the near future.

        Your welcome.

        Tricia
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