Accuracy | PISA Integrity Assessment Centre

Chris and Joanette Karsten at the International Field Archery Association World Championships 2018

It is with great pride and joy that we get to congratulate Chris and Joanette Karsten on a stunning performance at the International Field Archery Association World Championships 2018 held in South Africa. The two polygraph examiners of the PISA Integrity Assessment Centre once again showed that there simply is no compromise when it comes to dedication to achieve accuracy. The IFAA world field archery championship 2018 took place at the Elgro River lodge in Potchefstroom during 5 – 13 October 2018. There were 391 archers from 26 different countries, competing in different classes and shooting styles. The competitions started […]

Qualified and Accredited

It is no accident that I used the word polygraph professional instead of polygraph examiners in the headline. Polygraph examinations are becoming increasingly popular as an effective tool in investigations and as part of a robust pre-employment screening system. Unfortunately, due to the great success, there is great demand, and where there is great demand, there is cheap imitation products. As Charles L. Yeschke put it in his paper he wrote in 1965; Ethics and the Polygraph Examiner: “Every profession, including law and medicine, has historically gone through a transition period of development similar to that which the detection of deception […]

Voice Stress Testing

The PISA Integrity Assessment Centre and all of its affiliates do not make use of nor endorse the use of any Voice Stress Analysis of any kind, and for good reason. The vast majority of independent studies have yielded that “it is almost as accurate as flipping a coin.” It is for this reason that professional polygraph associations do not associate themselves with these practices. This includes the Southern African Polygraph Federation and the American Polygraph Association. In this scathing interview Charles Humble confirms the incredible lack of scientific evidence. Unfortunately, despite making incredible promises and showcasing a variety of […]

Growing Integrity

A successful businessman was growing old and knew it was time to choose a successor to take over the business. Instead of choosing one of his Directors or his children, he decided to do something different and called all the young executives in his company together. He said “It is time for me to step down and choose the next CEO. I have decided to choose one of you.” The young executives were shocked as the boss continued. “I am going to give each one of you a seed today. This is one very SPECIAL seed. I want you to […]

The PISA Integrity Assessment Centre Mark of Quality

Can you offer your clients the PISA Integrity Assessment Centre mark of quality? What about your service providers, can they provide the PISA Integrity Assessment Centre mark of quality? The promise that their staff members have been properly screened and checked? Do you know who your are entrusting with your property and your information? The PISA Integrity Assessment Centre has been used for years by high profile banks, security companies, firms and other institutions to increase their security standards, assist in their investigations and to provide peace of mind to themselves, their employees and their customers, that they are doing […]

Polygraph Research and Development

It is the intention of this summary to provide decision – makers in business such as HR and Security managers with information as to the criterion validity/ accuracy of polygraph examinations in such a manner as to be easily understood. (This summary is taken from the Executive Summary as provided by the American Polygraph Association. A copy of the full report is available from its offices). This knowledge together with the selection of a reputable polygraphist, is essential to the successful use of the polygraph by private industry. Having said this I would urge the reader to take careful note […]