GPN Newsroom (Articles)

How Sequence and Timing of Questions Influence Polygraph Test Results
If you’re planning to take a lie detector test, it’s natural to have several questions racing through your mind. For instance, most people often wonder

How Sleep Quality Before a Polygraph Test Can Affect Physiological Readings
Adequate sleep is essential for our health.
It’s during sleep that growth hormones are released, stimulating physical growth and cell regeneration. Sleep also supports

Why Some Individuals Request Lie Detector Test Even When Not Accused
We’ve all faced scenarios where our trust and credibility are at stake.
Picture this: your friend’s necklace goes missing in your room.

What Repeat Lie Detector Tests Reveal About Consistency and Truth Over Time
Polygraph outcomes aren’t always cast in stone. There are instances where retests are necessary, such as when examinees challenge the results or a policy

How Examiner Subjectivity Is Minimized During Professional Polygraph Test
Examiner subjectivity is a leading cause of failed polygraph tests. When a polygrapher takes on a personal approach rather than relying on objective data,

What Role Memory Recall Plays In Shaping Polygraph Test Responses
Although lie detectors measure physiological arousal, their accuracy depends on an examinee’s memory. Memory recall can shape the outcome of polygraph

How Environmental Factors Like Room Setup Can Impact Polygraph Test Experience
Adequate preparation determines the success of a polygraph exam. While preparing their examinees for lie detector tests,

How Baseline Responses Are Established Before Lie Detector Begins Evaluating Truth
In polygraphs, baselines denote the initial physiological readings recorded when subjects respond to neutral questions.

How Lie Detector Is Used In Non Investigative Scenarios You Might Not Expect
Most people associate lie detector tests with criminal investigations.
Indeed, the first image that often comes to mind when we think of polygraph

