How long does it take to administer a Polygraph test?
A polygraph examination will take at a minimum 90 minutes. They can last longer depending on the issues.There are four phases in a polygraph. The first phase waivers are signed, medical information is reviewed and the polygraph procedures will be explained. The second phase is the pre-test. During this phase, all elements of the examination and facts of the case are reviewed and questions are formulated. The third phase is the testing. Most examinations will consist of at least three separate charts repeating the reviewed questions. The post-test phase is the last portion and the examiner will review the results of the examination.
