模擬犯罪中の覚醒イベントがConcealed Information Testにおよぼす効果

抄録

This study examined the effects of arousal on the detection of concealed information on a Concealed Information Test (CIT) in the context of a mock crime. Forty-four undergraduate students were instructed to steal stationery from an office room. The first group's arousal level was increased by a confederate of the examiner who unexpectedly entered the room during the mock crime. The second group's arousal level was raised by destroying a piggy bank with a hammer to extract a piece of paper containing details of stolen items. One week later, participants completed a CIT, and their skin conductance response (SCR), heart rate, and respiratory measures were recorded. As a result, in both the arousal groups, larger amplitudes of SCR were induced, in comparison to the control group, which was not subject to arousal during the mock crime. These findings indicate that emotional arousal might facilitate the detection of concealed information on the CIT.