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Korean Journal of Psychology: General

ISSN : 1229-067X

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Vol.33 No.3

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Differences in psychological response among guilty, informed innocent and innocent group of participants in a concealed information test

Korean Journal of Psychology: General / Korean Journal of Psychology: General, (P)1229-067X; (E)2734-1127
2014, v.33 no.3, pp.627-646







& (2014). Differences in psychological response among guilty, informed innocent and innocent group of participants in a concealed information test. Korean Journal of Psychology: General, 33(3), 627-646.

Abstract

The purpose of this study is to examine the differences in psychological responses among guilty group, informed innocent group, and innocent group in the CIT(Concealed Information Test) analysis. There were 23 individuals in the guilty group, 21 individuals in the informed innocent group, and 23 individuals in the innocent group. A mock crime task was given to the guilty group. The informed innocent group did not carry out the mock crime but was informed of the crime-relevant information. The innocent group did not carry out the crime and was not informed of the crime-relevant information. After carrying out the task, the CIT was administered along measuring respiratory signal, electrodermal activity and heart rate responses. The results showed that the Z score of respiration was significantly lower for the guilty group than the innocent group and the informed innocent group. Both innocent groups, regardless of the availability of the crime-relevant information, were not significantly different. Next, for the skin conductance, the guilty group showed higher Z score than the innocent group and the informed innocent. Both innocent groups were not significantly different. In case of heart rate, there were no signigicant differences among the groups. The limitations and the implications of this study are discussed in this article.

keywords
숨김 정보 검사, 심리생리검사, 호흡선 길이, 피부 전도도, 심박률, 범죄 정보에 노출된 무죄 집단, Concealed Information Test, Respiration, Electrodermal Activity, heart rate, informed innocent group

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