What Does a Polygraph Examination Consist Of?
At the outset, the examiner obtains a complete background information on the case. The polygraph examination proper consists of 3 phases. During the first phase, the pre-test phase, the examiner discusses with the subject the issue under examination, thoroughly reviews all of the test questions that will be asked during the examination, and assesses the subject’s emotional and physiological suitability to undergo the examination. The testing phase consists of a series of tests where the subject’s physiological responses are recorded as the subject answers a set of questions reviewed earlier. During the post-test phase, the examiner reviews all examination data obtained and interprets the polygraph charts, from which the examiner will reach one of 3 conclusions – that the subject is telling the truth; that the subject is not telling the truth; or that the results are inconclusive. Upon completion of the examination a verbal report will be given to the client, followed by a written repor
