Frequently asked questions
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What is Polygraphy?
What is a Certified Polygraph Examiner/Polygraphist?
What is a Polygraph Examination?
Is Polygraph Testing regulated by South African Law?
Are the results of Polygraph Examinations permitted as evidence in CCMA cases?
May employers request employees to undergo a Polygraph Test?
The CCMA permits the use of polygraph examinations by employers to investigate specific incidents provided that employees voluntarily consent, in writing, to undergo the examination. The commission outlines several incidents where polygraph testing is permitted (https://www.labourguide.co.za/polygraphs).
Who has the right to access the results of a Polygraph Examination?
How does Voice Stress Analysis Compare to Polygraphy?
Supporters of Voice Stress Analysis (VSA) claim it is accurate in detecting deception; however, research has proven that there is very little accuracy in VSA’s detection of deception.
Research disproving the claimed accuracy of VSA: