Before You Hire a Polygraph Expert: A South African Checklist for Employers and Investigators

Arranging a polygraph test or examination is not as simple as finding a number online and booking a slot. In a workplace investigation, a disciplinary process, or a pre-employment screening, the quality and credibility of the polygraph provider can make or break the outcome. Use the wrong person, and you risk unreliable results, procedural challenges, […]
New limitations on credit checks for prospective employees

These new restrictions on whose credit information employers can access could obscure insight into a candidate’s character. Then again, it also creates a case for pre-employment polygraph screening.
How polygraph machines work

Back in the day polygraph machines resembled those devices we often see in movies: wires of which the one end was connected to the examinee (the person taking the test) and the other to a box. This box had a single sheet of scrolling paper, on which various needles were scribbling what seems to the […]
Who’s suitable for polygraph testing?
According to the APA Polygraph Model Policy on Standards, there are some people who aren’t suitable for polygraph testing.They include minors, IQ-impaired individuals, and others. The list below should be regarded as advisory, with exceptions likely in extreme circumstances: 1. Age score Generally individuals of 12 years or older may be asked to undergo a […]