Observations from the Analysis of Searching Peak of Tension Test (SPOT) Charts

Abstract

From introduction: "A technique applied in polygraph examinations is a variant of the CIT test, known as the Peak of Tension Type B (7), Searching POT Test (2,3), Probing Peak of Tension Test (18), and Keeler POT Type B (2). J.A. Matte describes the application of the technique in the following way: ‘Another type of Peak of Tension Test available to the forensic psycho-physiologist is known as the Probing Peak of Tension Test. Th is test is used to identify key information not known to the investigator or the forensic psychophysiology. It may be used to locate accomplices, determine extent of involvement, locate weapons, loot, evidence, determine amounts of money stolen, and methods of entry. (…) Probing POT tests should be prepared prior to the scheduled examination with a view towards determining those facts deemed most important to the investigator in solving their case’ (18). A similar comment is found in N. Ansley: ‘Th e Searching Peak of Tension tests were to be used to locate evidence or identify accomplices’ (2). "(...)