Save. Easy_Company/iStock/Getty Images. Setting up a specially designed and dedicated war room where work groups can collaborate with a minimum of distraction is one of the best steps a business owner can take to improve the group's focus and productivity.
A polygraph, popularly referred to as a lie detector, measures and records several physiological indices such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions.
Calling it a âlie-detectorâ suggests that a polygraph machine can detect lies. Commonly used in criminal investigations, this device actually measures nervous excitement. It operates on the premise that if a person is telling the truth they will remain calm. Trial by ordeal. The lie detector can be considered a modern variant of the old technique of trial by ordeal.