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The background

The polygraph procedure and machine is an accretion of 1930s technology and popularized psychology rooted not in practices of modern science, but rather based on traditions of polygraph testing itself. In that sense, a polygraph examination is a self-fulfilling process, "measuring" a series of physical signs without machine and drawing subjective, psychological sounding conclusions in varying ways depending upon mental state and set and training of each, and rapport between both, examination subject and examiner. The result of this exercise, associative of monitoring machines of Scientology, is a series of conclusions about veracity of specific statements or guilt generally, conclusions unsupportable by consistent scientific logic or by confirmation by other means. In fact, there is convincing evidence to suggest that procedure is much more likely to create victims of false allegation than it is likely to detect purveyors of falsehood or paragons of guilt-however falsehood or guilt may be defined. The statistical illustration at end of paper provides an illustration of this phenomenon. To read rest of this articel go to http://www.police-test.net/polygrapha1.htm