The purpose of the followign study is to evalaute these conclusions by investigating the efficacy of polygraph tests in assessing police candidates
Source
Brett, a. Phillips, M., & Beary, J (1986)PREDICTIVE POWER of the POLYGRAPH: CAN the "LIE DETECTOR" REALLY DETECT LIARS? Psychophysiology, http://www.american-buddha.com/art.predictivepowerpolygraphbeary.htm
The positive predictive value of the polygraph (ie, the proportion of positive test results that are true positives) was assessed, on the evidence of the best published data for the sensitivity and specificity of the device. In many screening or investigative situations, the predictive value would be poor; most of the positive results would be false positives.
Garwood M., Ansley N., (1983) the accuracy and utility of polygraph testing. Washington, D.C. Department of Defense.
Urging restrictions on use of polygraph testing, but, nonethelss, supporting its genral use in government and police agencies.
Lykken D.T., (1997). The validity of the lie detector: Two surveys of scientific opinion. Journal of Applied Psychology, Vol 82(3), Jun 1997, 426-433.
Researchers conducted mail surveys to obtain the opinions of 2 groups of scientists...
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