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Forensic Science
New forensic science data have been reported by scientists at Michigan State University
August 30th, 2008
"Two major variations of polygraph ''Control Question'' testing, the Zone Comparison (ZoC) and the Modified General Question Test (MGQT) were evaluated. Within each, the type of control question, Exclusive or ''time bar'' (e.g., ''Before you were 21, did you ever...'') and Nonexclusive or ''no time bar''(e.g., ''Did you ever....''') was manipulated in a mock theft scenario, with 80 male and 40 female subjects randomly assigned to be either innocent or guilty," researchers in the United States report. "Polygraphic data collected by experienced field examiners were numerically scored by an evaluator blind to all aspects of the study. Decision accuracy was not related to...
Source: Law & Health Weekly (2008-08-30)
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