Polygraph instruments are not meant to "read your mind". They only measure
changes to the autonomic nervous system (BP, galvinic skin response, heart
rate, etc.). When properly calibrated, the instrument does exactly that.
You can't beat a peoperly calibrated polygraph instrument.
You can, however, beat/fool the examiner and as Rob already stated, there
are instances of pathological liars defeating the exam. Their autonomic
nervous system doesn't respond like the norm and therefore deception is not
indicated during the exam questioning.
Merry Christmas everyone!
Dave
----- Original Message -----
From: "dorifry" <dori...@embarqmail.com>
To: "Matson, Robert D." <robert.d.mat...@saic.com>
Cc: <meteorite-list@meteoritecentral.com>
Sent: Tuesday, December 20, 2011 1:08 PM
Subject: Re: [meteorite-list] Polygraph testing legality
Rob,
There are a few exceptions to the polygraph prohibition.
The National Academy of Sciences called the tests "unreliable,
unscientific and biased."
I don't believe that a machine can read your mind based on your blood
pressure, pulse and respiration rates. I wouldn't think too many
scientists would believe that. If a machine can really read your mind,
then why bother with a trial?
Phil Whitmer
----- Original Message -----
From: "Matson, Robert D." <robert.d.mat...@saic.com>
To: "dorifry" <dori...@embarqmail.com>; "Galactic Stone & Ironworks"
<meteoritem...@gmail.com>; "Benjamin P. Sun" <bpsun2...@gmail.com>
Sent: Tuesday, December 20, 2011 12:01 PM
Subject: Polygraph testing legality
Phil wrote:
Polygraph testing of employees is against federal law according to the
Employee Polygraph Protection Act (EPPA).
Tell that to anyone who works for the CIA, NSA, NRO or any defense
contractor on a special-access-required program. ;-)
Just my opinion, but I'm pretty sure lie detector tests are pure
psuedo-science hokem designed to scare perps into confessing.
Under proper conditions, they work quite well against most people.
But they can be defeated by pathological liars. --Rob
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