PSY344H5 Lecture Notes - Lecture 3: Microsoft Powerpoint, Quality Control, Sweat Gland
Document Summary
Spend 1-2 hours, since everyone is nervous at first. How to introduce/ present yourself is important for polygrapher, since people always do not believe the polygrapher at first. Monitored with pneumographic tubes placed around the upper and lower torso. Subject"s blood pressure is monitored via a cardio cuff placed on the upper arm. Subject is seated on a motion-sensing pad to ensure that they remain still during the examination and to detect possible countermeasures. Psychopath may not consciously know their body reaction, but actually they also have body reaction as the normal people while doing polygraph. If you actually believe a lie, the polygraph will not differ from the control question. Legal rights, medical and psychological history, family background, knowledge of investigation, how the instrument works, and question formulation. To relax the subject, determine suitability, establish understanding and rapport. 45-60 mins, but varies depending on the subject.
