So you have made the tough decision and decided that you need the services of a polygraph examiner. In most instances the next step will be to punch in Polygraph / Lie Detector testing on Google, get three quotes and go with the cheapest option.
Clients are not present during the examination process – so how do you know if the polygraph tests were conducted properly. Here are a few things to take into consideration.
Make sure the examiner was trained at an American Polygraph Association (APA) accredited school. For a complete list of accredited schools.
Does he abide by the ethical standards as set out by the APA in its constitution. The two most important things that you can monitor in this regard is how long does a test take (a proper polygraph test should take approximately 75 – 90 minutes) ; and how many examinations is the examiner willing to conduct in a day (APA by-laws limit the number of polygraph tests conducted in one day to 5 examinations). If an examiner is doing 7 or 8 30 minute tests in a day, then he is not doing his job properly.
A proper polygraph examination MUST contain the following elements :
The conclusions drawn from the outcome of a polygraph investigation can have far reaching consequences for all parties concerned , and it is therefore of the utmost importance that every effort is made to ensure the fairness and accuracy of the result.