Polygraphy is the practice of using a polygraph machine (sometimes referred to as a "lie detector") to measure physiological changes such as blood pressure, pulse, skin conductivity, and breathing rate, which hypothetically indicate deception.- Category ID : 428460
Full text of report by National Academy of Sciences for US Department of Energy, finding polygraphs too inaccurate to be relied on in security screening.
"Polygraph testing for national security screening is little more than junk science, with results so inaccurate that they tend to be counterproductive, according to a long-awaited report released Tuesday by the National Academy of Sciences." By Charles Piller. [Payment required for full text.] [Los Angeles Times]
"The scientists at the national laboratories are willing to sacrifice some of their constitutional protections for meaningful benefits to security, but they are unwilling to do so for nonsense." By Alan Zelicoff. [Skeptical Inquirer]
Article advocating a professional code of ethics for examiners. By Charles Yeschke. [Journal of Criminal Law, Criminology, and Police Science] [Requires institutional access]