PDD Polygraph

Forensic Psychophysiology, commonly known as the polygraph, is based on the principal that fear of detection of deception causes physiological changes at the point of deception.
These changes are recorded and evaluated by a qualified forensic Psychophysiologist and the result made known to the subject and client.
All examiners utilized By P.D.D Examination Services has extensive experience in the application and have been trained by an APA Accredited Training Institute.
These examiners have extensive experience in the following fields;
Test Question Construction
Polygraph Techniques
Physiology and the Polygraph
Psychological Aspects of Polygraph
Test Data Analysis

Through associations and set agreements we have a National Footprint and can also provide services in all our neighboring countries should it be required.