One of the most common questions Australians ask before booking a lie detector test is simple: “Are polygraph tests actually accurate?” The answer depends on the technology used and the skill of the examiner.
While traditional polygraph testing alone can achieve 85–90% accuracy when conducted by a trained examiner, Australian Polygraph Services achieves 97–98% accuracy thanks to its exclusive use of dual-technology testing (Polygraph + EyeDetect)—a method no other company in Australia currently offers.
What Affects Polygraph Accuracy?
The accuracy of a polygraph test depends on several key factors:
- Examiner skill: Proper training in forensic interviewing and validated questioning models is critical.
- Single-issue testing: Accuracy is highest when focusing on one clear, relevant question.
- Validated technology: High-quality polygraph instruments detect physiological changes with precision.
- Subject cooperation: Nervousness doesn’t equal deception, but experienced examiners know how to differentiate between the two.
Why Australian Polygraph Services Has the Highest Accuracy
Australian Polygraph Services is unique in combining Polygraph + EyeDetect in the same session, cross-verifying results for forensic-level certainty.
✔ Polygraph Testing
The polygraph measures physiological changes—blood pressure, breathing, skin conductivity—when answering carefully structured questions.
✔ EyeDetect Technology
EyeDetect is an advanced computerised system that measures pupil dilation, micro eye movements, and cognitive stress indicators. It detects deception by analysing how the brain processes information, making it almost impossible to fake.
✔ Dual Verification = Forensic-Level Reliability
When both technologies agree, confidence in the result is significantly higher than with polygraph alone. This is why Australian Polygraph Services is trusted by legal professionals, investigators, and private clients across Australia.
How Much Does an Accurate Test Cost?
Prices for lie detector tests in Australia range from $850 to $1,900. Cheaper options often use less reliable single-technology testing. For a breakdown of pricing and why accuracy matters more than price, see our full guide: How Much Does a Polygraph Test Cost in Australia?
Can You Beat a Polygraph or EyeDetect Test?
Some people search for ways to “cheat” a lie detector test, but dual-technology testing makes this nearly impossible. EyeDetect detects micro stress responses that cannot be consciously controlled, and trained examiners easily spot countermeasure attempts.
Book the Most Accurate Test in Australia
If you need results you can trust, choose the only Australian provider offering Polygraph + EyeDetect testing. Visit www.polygraph.com.au to book a session.