NCJ Number
224776
Journal
Polygraph Volume: 37 Issue: 1 Dated: 2008 Pages: 26-33
Date Published
2008
Length
8 pages
Annotation
The purpose of this study was to develop normative data for the U.S. Department of Defense Polygraph Institute (DODPI) evaluative criteria in field polygraph charts.
Abstract
Two findings were of special interest. First, when the evaluative criteria are placed in rank order by frequency of appearance, it is apparent that some appear very rarely. Given the low incidence of some criteria, the present writers suggest that the list of evaluative criteria could be shortened to some extent without hampering day-to-day chart interpretation. The second noteworthy finding was the shrinking number of reactions across successive charts, suggesting the influence of generalized habituation. However, the increasing number of respiration reactions over charts that occurred exclusively with deceptive cases was not anticipated. Over the last 75 years, lists of diagnostic polygraph tracing features have evolved from the observations of examiners in the conduct of countless field examinations. However, little research has been done regarding the frequency and predictive value of the reaction criteria. In this study every appearance of each of 22 response patterns considered to be diagnostic for the detection of deception by the DODPI was tabulated for 177 cases selected for the DODPI database of confirmed field cases. Tables, references, and appendix