How does the polygraph examination process work?
The examiner receives and reviews the facts surrounding the case. The examiner explains the test process to the examinee and reviews the case facts during the pretest interview. The examiner designs the specific issue examination questions and reads each question to the examinee to make sure each one is easily understood. The polygraph instrument components are then attached to the examinee and given additional instructions. The specific issue examination questions are read to the subject several times while he/she is attached to the polygraph sensors. After all charts (polygrams) have been run, the polygraph examiner analyzes the charts and develops a numerical score for the examination. This score results in a conclusion of either No Deception Indicated (NDI) (truthful), Deception Indicated (DI) (deceptive) or No Opinion (inconclusive). The polygraph examiner will transmit the initial examination results to the client verbally and then officially after a quality control check has bee
Related Questions
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- How does the polygraph examination process work?
