I noted with great interest this morning the release of a video for Vanity Fair where
Jennifer Lawrence Takes a Lie Detector Test
Jennifer Lawrence is being polygraphed and had to comment as its TOTAL FAKE.
Let me start by being controversial and stating there is absolutely no accuracy at all in this test it’s a fake, you may as well have flipped a coin. In this industry we stopped using analog polygraph as used in the video in the 1990s in favour of the far more accurate digital polygraphs.
We now use validated techniques that allow three relevant questions, not multiple. Science and research have allowed the polygraph industry to make great advances in the last twenty years. The questions used in the Jennifer Lawrence test follow no industry recognised validated format.
How is the test being scored ? We ask a control question prior to each relevant question in order to gauge if a subject is lying. When Jennifer is being polygraphed how can you see what is a lie or just a nervous reaction?
We repeat the same three relevant questions over three separate tests gaining accuracy levels in the high 90%. It is well documented that polygraph is more accurate than other forensic sciences like fingerprinting and DNA.
In the UK there are now more Government examiners than private examiners working with the polygraph, testing sex offenders on probation and recently terror suspects.
The release of videos like this just harm the credibility of the polygraph industry.