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Topic summary

Posted by George W. Maschke
 - Dec 11, 2008, 02:00 PM
I cannot say with any quantifiable degree of certainty what would happen if you were to reveal to your polygrapher your knowledge of "the lie behind the lie detector," but the limited feedback received over the years from those who have been candid with their polygraphers about their familiarity with polygraph procedure suggests that the most likely result is that you would be arbitrarily accused of deception and/or countermeasure use.

I'm afraid mentioning your past experience with the polygraph will also be prejudicial (and polygraphers typically do ask examinees about any prior polygraph examinations).
Posted by anon.
 - Dec 11, 2008, 12:00 PM
Now that I know the lie behind the test, I am at a disadvantage. My body will not demonstrate a sufficient response to the control questions when I know that I'm supposed to lie to them. My only options are to use CM or admit that I know I'm supposed to be nervous about answering the control questions. Neither of these is desirable.

What will happen if I disclose my knowlege of polygraphs to the polygrapher? Has anyone done this, and what was the result? I fear that I'd be failed out of principle ("only someone with something to hide would have done this kind of research"). Thank you.

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About me:
My story is similar to others'. I "failed" a poly at age 17 in a criminal investigation which has caused a lifelong distrust of the procedure. Now I'm interviewing for a government contract position which may require a poly exam.