The scientific method of detecting deception with the aid of

an scientific instrument.

How shall the scientific method of detecting deception be administered?

The word polygraph is a combination of two words “poly” which means:

He studied fear and its influence on the heart in which his observation subsequently formed the basis of detection technique.

He developed the sphygmomanometer and “scientific cradle” which was designed to measure the flow of blood while a person lay on his back in a prone position.

He employed the first scientific instrument to detect deception, which was known as hydrosphygmograph, an instrument to measures changes in pulse and blood pressure when suspects were asked about their involvement in a particular offense?

He was accorded the distinction of being the first person to utilize an instrument for the purpose of detecting lies.

He was considered as the father of the modern polygraphy.

He conducted numerous test for detecting deception utilizing the changes in systolic blood pressure. He also favored the discontinuous method of reading systolic pressure.

The person who lies in order to avoid the consequences of confession. He or she afraid of embarrassment to avoid ones and is a serious blow to his or her ego.

This person is a practical liar and lies when it has a higher payoff then telling the truth or someone who lies for years.

This type of liar has no conscience. He shows no regret for his dishonest actions and no manifestation of guilt. This is the most difficult type of liar he is a good actor he can fool most investigator.

It refers to the person who cannot distinguish what is right from wrong, or a person who is mentally sick.

It refers to a person who always pretends and a hypocrite.

The type of lies used to maintain harmony of friendship, harmony of the home or office.

This lie is common to communist countries. This lie is used to destroy other ideologies by means of propaganda.

The chronic lie purely used to mislead justice, a pure dishonesty to obstruct justice.

The following are the signs of lie, EXCEPT;

It refers to any deviation (change) from the subject’s normal tracing.

The tracing wherein no question is asked or irrelevant question is asked to the subject.

What is the function of the galvanograph in the polygraph machine?

Component of lie detector which records the pulse rate, amplitude and changes of blood pressure.

Physiological changes recorded on the polygraph caused by this emotion being experienced by a deceptive subject.

Among the four components of polygraph, the most valuable or reliable indicators in detecting deception are___;

Which of the following is the primary objective of polygraph test?

He was credited as the creator of the systolic blood pressure test used, and employed it in an attempt to detect deception during questioning, using standard blood pressure cuff stethoscope.

He was considered as the father of the modern polygraphy. He conducted numerous test for detecting deception utilizing the changes in systolic blood pressure. He also favored the discontinuous method of reading systolic pressure.

He was considered as the father of scientific lie detection for being the first person to verify the truth and detect deception in a more scientific way.

What is the invention of Loenarde Keeler that he was incorporated as one of the component of polygraph machine that serve as a paper feed mechanism?

It is the polygraph machine component invented by Physiologist Galvani to measure’s skin resistance to electricity by transmitting a constant minute electrical current through the skin of the selected fingertips.

He suggested that the changes in respiration were an indication of deception.

He is the first person used the term psychogalvanic reflex to use in the word association test.

He described how he recorded the subject’s breathing using a Maley Pneumograph, noting the changes in respiration-expiration ration during deception.

What is the purpose of the examination why the subject is required to answer all questions by yes or no only.

It is the type of probable lie question which include the relevant time period under investigation.

It is the question to which it is likely that the examinee is untruthful with his answer.

The question that designed to ensure that the examiner will not ask unreviewed questions or that the examinee is not afraid that the examiner will ask unreviewed questions.

What is the length of cardio pen of the polygraph machine?

Part of cardiosphygmograph component which indicates the air pressure in the system in millimeters of mercury.

The question that introduces the relevant question to the subject.

It is the type of relevant question addresses the primary issues or direct involvement of thee subject on the matter under question.

It is designed to probe whether the subject possesses information regarding the identity of the offender of the or the facts of the case under investigation.

The relevant that deals with the physical acts that support the primary issue.

It is the question which is the same in nature with that of the relevant question but broader in scope.

The upward movement of the cardio pen caused by the contraction of the heart.