A method for evaluating the use of the polygraph in a real-life situation

15 males (mean age 29.2 yrs) participated in an experiment to evaluate the polygraph in a real-life situation; 2 Ss had actually cheated on a test. All Ss went through a standard polygraph test using the control questions method. This procedure guarantees the objective identification of "liars&...

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Bibliographic Details
Published in:Journal of applied psychology 1982-04, Vol.67 (2), p.131-137
Main Authors: Ginton, Avital, Daie, Netzer, Elaad, Eitan, Ben-Shakhar, Gershon
Format: Article
Language:English
Subjects:
Accuracy
BEHAVIORISM
EVALUATION
Human
PHYSIOLOGY
Polygraphs
Studies
Test Administration
Test Validity
Testing Methods
Tests
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Summary:15 males (mean age 29.2 yrs) participated in an experiment to evaluate the polygraph in a real-life situation; 2 Ss had actually cheated on a test. All Ss went through a standard polygraph test using the control questions method. This procedure guarantees the objective identification of "liars" without jeopardizing the real-life appearance of the experimental situation. Each S was evaluated by 3 polygraphers: One had access to the polygraph charts only, one observed the S's behavior but not his charts, and a third had both kinds of information. The evaluations of all 3 polygraphers were compared with the criterion. Evaluations based on both behavior observation and physiological charts were superior to those based on either type of information alone. However, evaluations based on the physiological information alone were not superior to those based on the behavioral information alone. (13 ref)
ISSN:0021-9010
1939-1854
DOI:10.1037/0021-9010.67.2.131