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I was going to ask why these agencies even use polygraphs but found an answer on wikipedia: "According to a report to Congress, polygraphy in the security clear
by plesner 13y ago
I was going to ask why these agencies even use polygraphs but found an answer on wikipedia: "According to a report to Congress, polygraphy in the security clearance context has little utility in detecting untruth, but significant utility in inducing verbal admissions. That is, polygraphy is mainly useful as a prop in the interrogation process. Further, this likely accounts for its continuing use by government agencies." Sounds real reliable.
- dobbsbob 13y agoIt's totally just a prop they use as an interrogation trick, much like the fake phone in Stasi detention centers that the interrogator would pretend to receive timely intel on whoever they were interrogating, or use it to make pretend calls to HQ to go pick up the person's family for questioning if they didn't like the answers. Cops to this day use a lot of those tricks, like the file folder they come into your cell with that's full of scrap paper they claim is 'all the evidence against you, so you better start talking'. Penn & Teller Bullshit did a good episode on lie detecting pseudoscience: http://youtu.be/8NLf7XwLpyQ http://youtu.be/8NLf7XwLpyQ