Re: Are polygraphs(lie detectors) effective?

Date: Thu Nov 26 17:38:57 1998
Posted By: William Beaty, Electrical Engineer / Physics explainer / K-6 science textbook content provider
Area of science: Biophysics
ID: 909001659.Bp

Message:

There is some info and links in madsci archives, under How can I make a Lie Detector

Some experts say that even the professional "polygraph" lie detectors are unscientific because they have never been thoroughly tested, and nobody is sure if they are reliable or not. Others point out that there are ways to cheat during the tests.

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