They say lie detectors are as only as accurate as the person giving it to you.
How Accurate Are Lie Detector Tests. While courts in some jurisdictions allow the results of polygraph tests — as they are formally known — as admissible. Lie detector tests have become a popular cultural icon — from crime dramas to comedies to advertisements — the picture of a polygraph pen wildly gyrating on a moving chart is readily recognized symbol. And how do they work?
Getting At The Truth Behind Lie Detectors from media4.s-nbcnews.com
They say lie detectors are as only as accurate as the person giving it to you. The trick to beating a lie detector test is understanding how one works. White lies—no, dinner really was fantastic. How to cheat a lie detector test:
The test can be beaten by liars with knowledge of how polygraphs work and are used.
How accurate is the lie detector test? How a polygraph test is conducted. A polygraph test is not an accurate detector of lying. The lie detector test hasn't changed much since it was invented in the early 1920s by john larson, a medical student at the university of california and a police officer, who eventually withdrew support for his own invention. And how do they work?
