Explore the psychophysiological science behind the CQT polygraph: differential salience, ANS responses, three measurement channels, and 89% mean accuracy confirmed by APA meta-analyses.
Read Article →Expert guide to comparison questions in CQT polygraph testing: how they work, their history from Reid's 1947 breakthrough, and what peer-reviewed research confirms about…
Read Article →John Furedy's decades of CQT research at the University of Toronto raised methodological standards in polygraph science and shaped international legal discourse.
Read Article →Explore Frank Horvath's pioneering polygraph research at Michigan State University — from 91.4% examiner accuracy to CQT standardization breakthroughs.
Read Article →In 1947, John E. Reid invented the Control Question Technique, transforming polygraph testing into the structured, internally controlled diagnostic tool used worldwide today.
Read Article →David T. Lykken (1928–2006) was the University of Minnesota psychophysiologist whose four-decade critique of polygraph testing reshaped science, law, and professional standards in lie…
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