ASTM E2439 established minimum requirements for polygraph instrumentation, sensors & software. Learn about mandatory channels, compliance, and professional standards.
Read Article →Complete guide to EuroPolygraph (EPA) — Europe's leading polygraph association with 500+ members in 35 countries. Covers membership, training, and certification.
Read Article →Explore Spain's polygraph history: forensic roots, court rulings, EuroPolygraph's role, GDPR compliance, and how voluntary testing fits Spanish law.
Read Article →PDD is the scientific discipline behind polygraph testing. Learn its validated techniques, accuracy rates of up to 95%, professional standards, and why it matters.
Read Article →James Allan Matte developed the Quadri-Track ZCT, authored three definitive polygraph textbooks, and won the 1997 John E. Reid Memorial Award from the APA.
Read Article →Explore the complete history of Marston's systolic blood pressure deception test, its role in Frye v. United States (1923), and its lasting impact on…
Read Article →Complete examiner guide to the Concealed Information Test (CIT): scientific foundations, administration protocols, accuracy data, and Japan's field model.
Read Article →Learn how Backster's Anticlimax Dampening Concept explains why physiological responses peak at anticipated questions and decline afterward in polygraph testing.
Read Article →Research confirms polygraph testing remains valid for events during intoxication. Studies show no significant effect on outcomes when examinees are sober at testing time.
Read Article →Explore how psychological salience, orienting responses, and conditioned reactions drive polygraph test results. A complete guide for examiners and examinees.
Read Article →Explore the science of applied psychophysiology in polygraph testing: autonomic arousal, construct validity, validated techniques, and ethical standards.
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