American Polygraph Services  Dedicated to Truth Through
Professionalism  Frequently Asked Questions:   Q. Is a Polygraph
the same as a "Lie Detector"?  Yes. The polygraph instrument is
a scientific diagnostic instrument which is often called a "Lie
Detector'. However, it would be more appropriate to call it a
"truth verifier".  Q. How accurate is a polygraph?  The
polygraph has been proven to be up to 98% accurate, a figure
much higher than most other scientific tests. There are times
when a test is termed "inconclusive," meaning that no decision
is offered to determine the truthfulness of the subject. This is
neither a help nor a hindrance to the subject, as many other
factors can influence the Pre-testability of the subject, such
as recent emotional trauma or medication.  Q. What if I feel
guilty about taking the test? Will it affect the outcome?  Many
innocent people feel guilty about taking a polygraph exam. The
Examiner will reassure and relax the subject. Nervousness will
not show an innocent person to