Normal Topic Is this a pass or fail chart? (Read 4026 times)
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Is this a pass or fail chart?
Sep 22nd, 2018 at 5:54am
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Can anyone tell me if this is a pass or fail polygraph chart? Thanks.
  
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Paste Member Name in Quick Reply Box George W. Maschke
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Re: Is this a pass or fail chart?
Reply #1 - Sep 22nd, 2018 at 6:54am
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I think that most polygraph operators would score these charts as "No Opinion," or, perhaps, opine that the examinee was attempting polygraph countermeasures through controlled breathing.

This is because the breathing rate is much slower than the 12-18 breaths per minute that polygraph operators (per NCCA's Test Data Analysis pamphlet) expect to see.
  

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Re: Is this a pass or fail chart?
Reply #2 - Sep 22nd, 2018 at 4:33pm
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So if you take out the breathing what would you score it and why?
  
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Re: Is this a pass or fail chart?
Reply #3 - Sep 22nd, 2018 at 5:56pm
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So if you take out the breathing what would you score it and why?


First, bear in mind that this is just a portion of a polygraph chart. Only a single relevant question is shown. Also, I suspect that a polygraph operator might adjust the amplitude of the electrodermal channel before hand scoring the charts.

Omitting the respiratory channel, I would score the one relevant question compared to the two "control" questions as "0" or inconclusive, because the reactions on the electrodermal and cardio channels appear to be about the same in magnitude.
  

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Re: Is this a pass or fail chart?
Reply #4 - Sep 22nd, 2018 at 6:25pm
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Well this is my actual chart. I didn’t use countermeasures nor did he accuse me of that. I got suspicious of the examiner when he wouldn’t give me the results until the next day. Then he called and said I failed. So I asked if he could send me the charts so I could get another opinion because I told the truth. He said he couldn’t do that but I could make an appointment to go over the charts. So I did a little research so I would know what I was looking at. He pulled all 3 charts up and I think they all pretty much looked the same. I got a picture of the last one when he got mad because I said it looked like I passed. He said he would give me my money back if not satisfied as got mad and said we were done and kicked me out of his office. He said how dare I question his veracity? I knew he was full of shit! I just wanted a unbiased opinion, so thank you. Who offers to give your money back if they did a good job?
  
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Is this a pass or fail chart?

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