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Differences in suspects’ physiological responses depending on objective self-awareness during a polygraph test

Korean Journal of Social and Personality Psychology / Korean Journal of Social and Personality Psychology, (P)1229-0653;
2018, v.32 no.1, pp.33-47
https://doi.org/10.21193/kjspp.2018.32.1.002

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Abstract

This study aimed to examine differences in suspects’ physiological responses depending on objective self-awareness. To manipulate objective self-awareness, all the suspects were first seated in front of a mirror during a polygraph test, after which they completed the test without facing a mirror. Depending on the polygraph test results, the suspects were divided into two groups (lie and truth groups) to identify the differences in physiological responses. The results showed that in the lie group, suspects who completed the polygraph test in front of a mirror had more physiological responses than those who were not seated in front of a mirror. In contrast, the truth group showed no statistically significant differences in physiological responses related to self-awareness. The results indicate differences between the two groups in physiological responses depending on objective self-awareness. These findings may help to correctly detect the truth and lies in many applied settings.

keywords
폴리그래프 검사, 객관적 자기인식, 생리적 반응, polygraph test, objective self-awareness, physiological responses

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Korean Journal of Social and Personality Psychology