March 27, 2026
What Is a Mixed Exam in Polygraph? Multi-Format Guide
Learn what a mixed polygraph exam is, why examiners combine CQT, POT, and CIT formats in one session, APA standards for independent scoring, and…
Read Article →LDTTag: <span>comparison question test</span>
Tag: <span>comparison question test</span>
March 27, 2026
What Is the Directed Lie Test (DLT)? Complete Guide
Learn how the Directed Lie Test (DLT) works, why federal agencies prefer it, and what to expect. The most transparent polygraph comparison question format.
Read Article →March 26, 2026
Raymond Nelson: Redefining Polygraph Question Science
Raymond Nelson transformed polygraph science through evidence-based question formulation, the OSS-3 algorithm, and the Empirical Scoring System.
Read Article →March 26, 2026
Charles Honts: Polygraph Researcher Who Transformed Court Science
Profile of Charles R. Honts, the Boise State University psychologist whose 79+ publications and 120+ court appearances shaped polygraph admissibility law.
Read Article →March 26, 2026
Raskin & Kircher: The Utah Team That Transformed Polygraph
How Raskin & Kircher at the University of Utah developed the Utah ZCT, created the Computerized Polygraph System, and transformed modern polygraph science.
Read Article →March 26, 2026
Frank Horvath: The Researcher Who Shaped CQT Science
Explore Frank Horvath's pioneering polygraph research at Michigan State University — from 91.4% examiner accuracy to CQT standardization breakthroughs.
Read Article →March 26, 2026
Gordon Barland: Researcher Who Shaped Polygraph Science
Explore how Gordon Barland's decades of research at the University of Utah and DoDPI transformed polygraph testing into an evidence-based discipline.
Read Article →March 26, 2026
History of the Relevant-Irrelevant Test: Polygraph’s First Format
Explore the full history of the Relevant-Irrelevant Test — polygraph's first questioning format developed in 1921 — from Larson to Keeler to modern CQT.
Read Article →March 26, 2026
History of the Control Question Technique: Backster’s 1962 Innovation
Discover how the Control Question Technique evolved from Reid's 1947 innovation through Backster's Zone Comparison standardization to become polygraph's most-used method.
Read Article →March 22, 2026
Guilty Knowledge Test (GKT): Science, Uses & Guide
Complete guide to the Guilty Knowledge Test (GKT/CIT): orienting response science, accuracy data, Japan's operational use, scoring protocols, and examiner best practices.
Read Article →February 27, 2026
Zone Comparison Test (ZCT): Complete Polygraph Technique Guide
Complete guide to the Zone Comparison Test (ZCT): origins, question types, zone architecture, numerical scoring, and modern applications in polygraph testing.
Read Article →February 24, 2026
Polygraph Accuracy: What 80+ Years of Research Shows
Polygraph accuracy reaches 89% for single-issue tests per the APA's 2011 meta-analysis of 11,737 results. Learn what the research shows and what determines accuracy.
Read Article →October 7, 2025
Control Question Technique (CQT) & Polygraph Methods
Master every polygraph questioning method: CQT, RIT, DLT, and GKT explained with accuracy data, historical context, and expert insights for examiners and examinees.
Read Article →August 8, 2025
Polygraph Examiner Intuition: Expert Judgment in Modern Testing
Discover why trained polygraph examiner intuition, backed by science and experience, remains essential alongside computerized scoring for the most reliable results.
Read Article →April 30, 2025
Utah MGQT Polygraph Technique: Complete Examiner Guide
Complete examiner guide to the Utah MGQT polygraph technique — protocol structure, scoring systems, sensor configuration, and validation research.
Read Article →April 17, 2025
Raymond Nelson’s Guide to Polygraph Question Formulation
Raymond Nelson's expert guide to polygraph question formulation: behavioral specificity, cognitive load balance, and avoiding common errors for valid test results.
Read Article →April 16, 2025
Polygraph Question Formulation: Behavioral vs Mental State
Expert guide to polygraph question formulation: balancing behavioral descriptions with mental state inquiries using APA and AAPP standards for maximum CQT accuracy.
Read Article →March 26, 2025
Utah CQT Polygraph Technique: Complete Examiner Guide
Complete examiner guide to the Utah CQT polygraph technique — covering question formulation, acquaintance testing, numerical scoring, and data analysis.
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