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Polygraph Scores
May 13th, 2012 at 3:36pm
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Is there a significance of polygraph scors like say +9 +10 +11 and so forth? What is the highest and lowest score that you can attain and pass?
  
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George W. Maschke
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Re: Polygraph Scores
Reply #1 - May 13th, 2012 at 4:45pm
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While there are different scoring methods, typically a score of +3 or higher is considered passing, a score of -3 or lower is considered failing, and scores between these two values are deemed inconclusive.

Polygraph charts are scored by comparing reactions to relevant questions with reactions to so-called "control" or comparison questions. For more on polygraph procedure, see chapter 3 of The Lie Behind the Lie Detector:

https://antipolygraph.org/lie-behind-the-lie-detector.pdf
  

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Evan S
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Re: Polygraph Scores
Reply #2 - May 13th, 2012 at 7:01pm
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In response to polygraph scores, I submit the following image of a tube tester. Wink


  
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