A History Note A Peep at the “Peak Of Tension (POT)” Test & other “Recognition Tests”
Oficyna Wydawnicza AFM
"Recognition Test “Polygraph techniques can be divided into two major categories, knowledge-based tests, also called recognition tests, and deception based tests. Ther ecognition test family of PDD techniques includes; peak of tension tests (known & searching/probing), acquaintance (stimulation) tests and concealed information (Guilty Knowledge Test) tests. They attempt to determine if the examinee has knowledge only available to persons directly involved in an incident of concern.” "(...)
European Polygraph 2018, nr 3, s. 117-122.