Normal Topic polygraph test (Read 1839 times)
Paste Member Name in Quick Reply Box Riley
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polygraph test
Jan 8th, 2002 at 6:41pm
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I understand what you need to do with countermeasures with your breathing and with puckering, however is there any countermeasure technique for the clamp that is placed on your fingers?

Also, Are you suppose to use countermeasures for the irrelevant questions?

« Last Edit: Jan 8th, 2002 at 6:57pm by Riley »  
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Paste Member Name in Quick Reply Box George W. Maschke
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Re: polygraph test
Reply #1 - Jan 8th, 2002 at 7:14pm
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With regard to the "clamp" placed on a finger, I assume that you are referring to the two electrodes associated with the electrodermal (also called "galvanic skin response") channel of the polygraph instrument. While the electrodermal channel cannot be directly manipulated in the same way as the pneumo (breathing) channels can be, countermeasures such as breathing manipulation, tongue biting, the anal sphincter contraction, and mental countermeasures are likely to produce a response on the electrodermal channel.

Note that reactions only to the "control" questions should be augmented (not to the irrelevant questions). It would be prudent to review Chapter 3 of The Lie Behind the Lie Detector, which explains how to differentiate between relevant, irrelevant, and "control" questions.

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polygraph test

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