A new discrimination method for the Concealed Information Test using pretest data and within-individual comparisons

Biological Psychology
Izumi MatsudaKazuo Shigemasu

Abstract

A latent class discrimination method is proposed for analyzing autonomic responses on the concealed information test. Because there are significant individual differences in autonomic responses, individual response patterns are estimated on the pretest. Then an appropriate discriminant formula for the response pattern of each individual is applied to the CIT test results. The probability that the individual concealed information is calculated by comparing the discriminant formula value of the crime-related item to that of non-crime-related items. The discrimination performance of the latent class discrimination method was higher than those of the logistic regression method and the discriminant analysis method in an experimental demonstration applying the three methods to the same data set.

Citations

Aug 26, 2014·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Tokihiro OgawaNoriyoshi Takasawa
Jun 22, 2011·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Izumi Matsuda, Tokihiro Ogawa
Jul 22, 2008·Physiology & Behavior·Matthias GamerGerhard Vossel
Feb 26, 2019·Frontiers in Psychiatry·Izumi MatsudaMichiko Tsuneoka

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