31–40 of 196 posts
It's a bit of a joke, really. I doubt there's anyone reading this on here who didn't already know polygraphs don't work. The only people who don't seem to know polygraphs don't work are the ones making national security decisions relating to polygraphs.
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I'd guess that polygraph tests need belief into them working, thus making it work. Polygraphs should be able to (at least) measure nervousness correctly (e.g. due to transpiration), so if you believe polygraphs may work you're probably someone on which they will work (1). In other words, long proven nonsense as long as you don't believe in it. (1) https://antipolygraph.org/lie-behind-the-lie-detector.pdf (Chapter 3)
You're wrong, they do not magically start working if you believe in them. If you're nervous for ANY reason it will give off a false positive. Not only if you're nervous of the machine itself. It is insane it's still being used in the US.
I've never been polygraphed and I have conflicting views on it, but I suspect if I were ever in the same situation I'd do the same thing. They may not work perfectly, but they are a forcing function to the interviewee. Are you going to tell the whole truth in all its messy detail or not?
That said, I don't think they belong in the justice system. Someone who is already accused of a crime has to choose between either doing a polygraph and being potentially being nervous because their freedom is at stake, or denying the polygraph and looking guilty.
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Aren't there psychoactive meds which weaken control and should work better unless the person has developed resistance against that compound.
https://en.m.wikipedia.org/wiki/Truth_serum TL;DR No, there aren’t.
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I'd guess that polygraph tests need belief into them working, thus making it work. Polygraphs should be able to (at least) measure nervousness correctly (e.g. due to transpiration), so if you believe polygraphs may work you're probably someone on which they will work (1). In other words, long proven nonsense as long as you don't believe in it. (1) https://antipolygraph.org/lie-behind-the-lie-detector.pdf (Chapter 3)
Per the article: >It is to be noted that around the time Ma applied for employment with the FBI, the Bureau had a roughly 50% polygraph failure rate for special agent applicants, with many honest persons being wrongly branded as liars and barred for life from FBI employment So either 50% of FBI Applicants were actually foreign agents AND believed in polygraphs (why would they if they were trained foreign agents?) OR…
It's even dumber than that. From what I've heard, the big failure rate is often with respect to drugs. You're allowed to have experimented with marijuana a specific, small number of times.
KGB did not use or believe in polygraphs. Always found that an interesting comparison to American intelligence.
No, they would just break your fingers or until you admitted to basically anything just to make them stop. They didin't need a polygraph for that, just a hammer, a drawer or a door.
What's next? the FBI does palm reading to solve their hardest cases?
My understanding is polygraphs are used as a tool to have people trip over themselves by using it as a prop when the administrator thinks they have something to catch them on. Now that makes me wonder, if they don’t use fMRI is it because it’s also just a prop but with more studies behind it?
Exactly. It's just an interrogation technique but you need one less body on the payroll because you don't need a "good cop". Pretty much every manipulation technique used in negotiation, sales and interrogation is useless if the person it's being applied to realizes it. Polygraphs are about the lowest quality because the machine is right f-ing there for the world to see whereas with other techniques there's at least…
That is just wholly incorrect. The whole point of marketing is that it works even if you know it's happening to you. Anchoring, a common sales tactic, works even if you know they're doing it to you. You can absolutely respond to it with your own tactics if you know about it, but it still effects you. We really aren't better than our animal brains.
Ah yes, polygraphs, long proven nonsense and not used in virtually any other western country. I wonder how he beat that?
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No, they would just break your fingers or until you admitted to basically anything just to make them stop. They didin't need a polygraph for that, just a hammer, a drawer or a door.
Ah, the Guantanamo tourist pack.