
Polygraph Examination Services.
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.
 























