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.
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- AntiPolygraph.org Examines possible abuse associated with the use of polygraphs. Provides informational resources and discussion forum.
- Polygraph Place, The Commercial listings of polygraph examiners by area, and of schools, equipment, software, and insurance.
- Federation of American Scientists: Polygraph Policy Official documents and other resources on polygraph testing.
- Journal of Credibility Assessment and Witness Psychology, The Web-based journal for the scientific study of methods of credibility assessment including polygraph testing.
- Polygraph Law Resource Page Legal documents and testimony concerning the admissibility of polygraphs in US legal system by Professor Charles R. Honts of Boise State.
- Telling the Truth About Lie Detectors "A long-time law enforcement favorite, the lie detector, now finds itself sweating the hot lights of scientific inquiry." By Dan Vergano. [USA Today]
- Lying 'Lie Detectors' "Bureaucratic reliance on today's fault-ridden system lets well-trained spies and terrorists penetrate our defenses." By William Safire. [New York Times] [Free subscription required.]
- Scientists Attack Polygraph's Accuracy "Polygraph tests used by nearly every federal national-security agency as a screening tool will flag loyal workers as security risks and free actual spies from suspicion, a panel of top scientists reported Tuesday." By Ian Hoffman. [Oakland Tribune]
- Polygraph and Lie Detection, The 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.
- HowStuffWorks: How Lie Detectors Work Animated article shows how polygraph machines work and some popular countermeasures.
- Scientists Give the Lie to Polygraph Testing "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]
- Use of the Polygraph in Security Clearance Determinations History and procedure of the US government's use of polygraphs in security clearance screenings. [Security Management]
- Polygraphs and the National Labs: Dangerous Ruse Undermines National Security "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]
- Ethics and the Polygraph Examiner Article advocating a professional code of ethics for examiners. By Charles Yeschke. [Journal of Criminal Law, Criminology, and Police Science] [Requires institutional access]
- Skeptic's Dictionary: polygraph Skeptical article about what polygraphs measure and how examinations are conducted, why they are not lie detectors, and the inadmissability of polygraph tests in courts of law.
- Agencies, Employees Spar over Lie Detector Tests Well-researched article on polygraph screening. [National Journal]
- The Truth about the Polygraph "It's junk science, but proponents say it can be a useful tool in interrogations, and even a deterrent." By Susan McCarthy. [Salon]
- Passing the Polygraph "Professional criminals are the ones most likely to beat the lie detector." By Susan McCarthy. [Salon]