You don't have be employed in the security sector to be subjected to a polygraph test. Sooner or later, on a variety of reasons, you may face one. It doesn't have to be a stressful experience, it won't be if you take the time to prepare. It may even turn out to be quite fun. Purchase a set (available directly from China) that plugs into your laptop, invite some friends, and play a round of truth or lies...
"First, Tice says, a person can trick the tester on "probable-lie" questions. During a polygraph's pre-test interview, the tester usually asks a person to answer questions they are likely to lie about.
These include questions like: 'Have you ever stolen money?,' 'Have you ever lied to your parents?,' or 'Have you ever cheated on a test?'.
Most people have done these at least once, but lie about it. So the tester uses a person's response to a likely lie as a way to establish how a person physically reacts while lying.
Tice says to trick the tester, a person should lie in response to these questions like most other people would, but also bite their tongue hard while doing so, which will set off other physiological reactions in the body.
The tester's "needles will fly everywhere," says Tice, "and he will think, 'This guy is a nervous nelly. He has a strong physical reaction when he's lying.'"
"And you're skewing the test," he says. Tice says it's also easy to beat a polygraph while telling a real lie by daydreaming to calm the nerves."
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