Maryland polygraph
Description: Lie-detector
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During a Maryland polygraph exam, we are recording microscopic changes to blood volume, skin conductance, upper breathing and lower breathing, as the examinee responds to a rehearsed 10-question script that includes 4 questions from you.
The examinee needs to sit very still. Answering yes or no with his/her mouth only, not with any head movement. Answering all questions at the same volume.
Up to four key questions from the client will be used as the heart of the exam. Be sure that each question is no more than 19 words long each, that the questions have no 'and' or 'or' in them, and that there are no 'softening' words (we don't say 'affair' or 'sleep with'; we say 'have sex with' or 'have sexual contact with').
Maryland polygraph