Abstract
This paper delves into the effect of SCAN and its cross-linguistic applicability by analyzing written statements in Korean. For this research, we conducted an experiment in which truth tellers were asked to write a true statement about a staged event and liars a fabricated one about the same event. We analyzed these two types of written statements using the criteria of SCAN. The results (accuracy rate, 81.6%) indicate that SCAN is effective in detecting deception despite the low internal consistency level among coders (Cronbach’s alpha level, 0.577). It was also shown that the SCAN criteria are not universally applicable across languages as the mode of using pronouns in Korean yields no significant difference between truthful and deceptive statements.
Highlights
Deception detection is rarely a simple act because it involves a variety of verbal and nonverbal deception indicators
The accuracy rate can be represented as 81.6%
We conducted an experiment to evaluate the effectiveness of SCAN criteria and their applicability in Korean
Summary
Deception detection is rarely a simple act because it involves a variety of verbal and nonverbal deception indicators. Other major devices include audio- and/or video-taped interviews during which the experimenter observes subjects' nonverbal behavior (Broadhurst & Cheng, 2005; Warren et al, 2009; Kolkman, 2012). These approaches are, largely discredited due to false positives as well as false negatives, which arise from stress and nervousness during the test (Kraut, 1980; DePaulo et al, 1985; Vrij, 2000).
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