GPN Newsroom (Articles)

Is Failed Lie Detector Test Something To Worry About?
Failing a lie detector test can be a distressing experience. But it’s not the end of the world. In fact, failing a polygraph test doesn’t necessarily imply guilt or deception. While a Deception Indicated (DI) verdict may cast severe aspersions

A Comparative Study Of Polygraph Testing In The UK And US
The United States and the United Kingdom are the two biggest users of polygraphs worldwide. The US alone conducts some 500,000 – 2.5 million lie detector tests annually. And while UK figures pale in comparison to that, the country reportedly

The Importance of Polygraph Exams in Drug-Free Bodybuilding Competitions
Doping is a nagging concern in professional bodybuilding competitions. Despite proactive efforts by many federations, hardly a month goes by without reports of acclaimed bodybuilders testing positive for performance-enhancing drugs (PEDs). Track-and-field

The 10% Brain Myth and Its Relevance to Lie Detector Testing
The human brain is the primary organ involved in truth suppression. While polygraphs don’t directly measure an examinee’s mindset, all tracked parameters are regulated by the brain and central nervous system (CNS). Therefore, it’s unsurprising that many misconceptions

How the Breadboard Polygraph Laid the Groundwork for Modern Testing
John A. Larson is widely credited for inventing the modern polygraph machine. While many inventors preceded and succeeded him, Larson’s efforts laid the groundwork for the lie detector equipment as we know it today. Larson is perhaps best known

Understanding Examiner Decision Thresholds: When Data Is Sufficient – and When It Is Not
Polygraph evaluation is a rigorous process that requires a detailed, methodological approach. To make accurate inferences, examiners must carefully analyze the physiological data collected by the lie detector machine.

How Examiners Evaluate Data Sufficiency Before Reaching Polygraph Conclusion?
Polygraph examination is a rigorous process that often culminates in careful data analysis.
Before inferring deception, examiners must determine whether the information collected is sufficient to enable accurate interpretation of the lie detector test findings.

How Polygraph Examiners Determine Appropriate Test Format For Each Case?
When it comes to polygraph exams, there’s no one-size-fits-all strategy. Each lie detector test requires a unique approach. To conduct a credible polygraph evaluation, examiners must follow certain industry-stipulated guidelines. The question design rules typically apply across the board.

How Polygraph Data Is Stored, Secured, And Used: Privacy Standards Every Client Should Know
Many clients have been there!
You enlist the services of a certified polygraph examiner. The polygrapher goes ahead to conduct a rigorous lie detector test, taking extreme caution to comply with the industry standards.

