May 4, 2026

Lie Detector Tests

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

What Repeat Lie Detector Tests Reveal About Consistency and Truth Over Time  Read More »

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

Examiner Subjectivity

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,   

How Examiner Subjectivity Is Minimized During Professional Polygraph Test  Read More »

Examiner subjectivity is a leading cause of failed polygraph tests. When a polygrapher takes on a personal approach rather than relying on objective data,   

memory recall

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

What Role Memory Recall Plays In Shaping Polygraph Test Responses  Read More »

Although lie detectors measure physiological arousal, their accuracy depends on an examinee’s memory. Memory recall can shape the outcome of polygraph

GLOBAL POLYGRAPH NETWORK®

Established in 1987, Global Polygraph Network® is the world’s largest and most trusted polygraph (lie detector) company with services available at hundreds of locations by highly-trained experts worldwide. Avoid “discount” polygraph frauds and “over the phone” testing scams. We only provide real polygraphs by real examiners. Trust our A+ BBB rating, up-front pricing, and written guarantee.