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

Avital Ginton, Netzer Daie, Eitan Elaad, Gershon Ben-Shakhar

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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) (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish
Pages (from-to)131-137
Number of pages7
JournalJournal of Applied Psychology
Issue number2
StatePublished - Apr 1982


  • validity of control questions polygraph method in real life situation, males with mean age of 29.2 yrs


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