7th Jun 2016

History of the Polygraph

The first polygraph was created in 1921, when a California-based policeman and physiologist John A. Larson devised an apparatus to simultaneously measure continuous changes in blood […]
7th Jun 2016

Polygraph in action

Mythbusters is an America TV series that tests myths, in this episode they tested if the Polygraph can be beaten. This video shows the new “Voice […]
11th Oct 2016

Validity and Reliability of Polygraph Examinations

While the physiological targets of polygraph testing have not changed much since the 1930s, numerous testing techniques, question formats, scoring systems, and specialised applications have emerged […]