Effects of Single- and Multiple-relevant Items Conditions on Differential Psychological and Physiological Responses on the Concealed Information Test

OGAWA Tokihiro, MATSUDA Izumi, TSUNEOKA Michiko

doi:10.5674/jjppp.1415oa

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Other Title

関連項目数が隠匿情報検査時の心理的・生理的反応に及ぼす影響
カンレンコウモクスウガイントクジョウホウケンサジノシンリテキ・セイリテキハンノウニオヨボスエイキョウ

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Description

Characteristic physiological responses on the concealed information test (CIT) have been a topic of interest. The present study compared physiological responses and self-reported emotion between a single relevant item and a multiple relevant items condition. Participants performed a mock theft where they were asked to steal one or three accessories. They were also asked to choose one or three cards, each indicating a color name. If participants stole one accessory, they would choose three cards; if participants stole three accessories, they would choose one card. Then, participants underwent the CIT, which assessed stolen items and selected colors. The relevant-irrelevant differences in physiological measures, such as skin conductance, respiratory speed, heart rate, and normalized pulse volume, were smaller in the three-relevant items condition than in the one-relevant item condition. Self-reported measures indicated that participants felt surprise and tension during the relevant item presentation. However, the number of relevant items in the question set did not affect self-reported emotion. These results indicate dissociation between physiological and self-reported measures on the CIT.

Journal

Japanese Journal of Physiological Psychology and Psychophysiology

Japanese Journal of Physiological Psychology and Psychophysiology 32 (3), 139-147, 2014

Japanese Society for Physiological Psychology and Psychophysiology

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