PSY 469

the legal problem of how to determine at what point lie detection devices invade people's right to privacy or violate their right not to incriminate themselves

an inclination to search for evidence that confirms our beliefs and to ignore evidence that contradicts our beliefs

questions that involve behaviors that are uncomfortable for suspects but are not directly related to the crime under investigation.

i.e. Have you ever lied to get out of trouble?

the questioning procedure most frequently used during a polygraph test. uses questions that involve behaviors that are uncomfortable for suspects but are not directly related to the crime under investigation.

i.e. Have you ever lied to get out of trouble?

techniques used to influence physiological responses during polygraph tests - reduces detection of guilt about 50%

an evaluation of whether a person is lying

a lie detection technique that uses systematic analysis of written statements to assess the truthfulness of a description of an event

the tracing of neural impulses of the brain

a lie detection method that tracks visual attention to a scene based on eye movement, scanning path, pupil dilation, and gaze fixation to help assess guilty knowledge

an inaccurate prediction that something will occur when it does not

maps activity in the brain - scans are strung together to show moving image of brain activity, even as the person under study performs other tasks

a test used to detect whether or not someone knows facts that only the true perpetrator would know

stimuli are presented and arousal is measured

a technology that measures miniscule shifts in the heat of the human face as a means of detecting deception

a lie detection technique that monitors physiological stress via a near-infrared light beam aimed at the neck of a subject a few hundred feet away - currently under development

false behavioral indicators of lying

a technique used so that researchers can determine if a polygraph examiner can detect which people are guilty of a crime

a machine that records a person's physiological responses to questions asked by an examiner

The first systematic questioning procedure developed for use with the polygraph machine. Uses 3 types of questions:

- nonarousing questions that are irrelevant to the behavior being investigated

- arousing questions that are irrelevant to the behavior being investigated

- relevant questions that are especially arousing for the person who actually committed the crime

a method of testing the innocence or guilt of a person by subjecting them to painful experiences believed to communicate divine intervention

The first question asked in a GKT.  It is not scored and is then discarded; because people tend to react more strongly to the first item in a series.

people who can detect lies at a much higher rate than average - using only their powers of observation.