The article below was published in the now defunct magazine Gray Areas almost twenty years ago. (Vol. 4, No. 1, Spring 1995 pp. 75-77). It is not a research article but a critique of the use of polygraphy written for a general audience.
Antipolygraph.org founder George Maschke noted in 2008 that the article “makes a good introduction to the pseudoscience of polygraphy” and “the criticisms of polygraphy remain valid today.” The basic assumption of any good test is that is has construct validity; that it is actually measuring what it is purported to measure. Polygraphy is purported to detect lies but the specificity and sensitivity are about the same as a toss of a coin and has the potential to cause a great deal of harm to those who are…
View original post 3,281 more words