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University of Georgia School of Law

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Deception detection

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Assigned Versus Random Countermeasure-Like Responses In The P300-Based Complex Trial Protocol For Detection Of Deception: Task Demand Effects, John B. Meixner Jr., Alexander Haynes, Michael Winograd, Jordan Brown, J. Peter Rosenfeld Jan 2009

Assigned Versus Random Countermeasure-Like Responses In The P300-Based Complex Trial Protocol For Detection Of Deception: Task Demand Effects, John B. Meixner Jr., Alexander Haynes, Michael Winograd, Jordan Brown, J. Peter Rosenfeld

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The Concealed Information Test (CIT) is a credibility assessment protocol of an entirely different nature than the traditional lie detector test. Instead of attempting to detect actual lying (the goal of the commonly used Control Question Test), the goal of the CIT is to determine whether an individual possesses knowledge of specific details of a crime or event. For example, if a murder was committed at 800 Church Avenue using a .38 caliber revolver, the CIT seeks to determine whether a suspect recognizes the address and type of weapon.

The CIT presents subjects with various stimuli, one of which is …