"This field study is the third published piece of field research on the validity of the Quadri-Track Zone Comparison Technique. The Quadri-Track ZCT was initially developed in 1977 by James Allan Matte as a result of field experiments designed to resolve the problem of false positives in psychophysiological veracity (PV) examinations using the polygraph. Its theory and methodology were published in the American Polygraph Association’s journal Polygraph in December 1978 and in several textbooks (Matte 1980, 1996, 2000 and 2002)."(...)