Detecting deceit via analysis of verbal and nonverbal behavior

Author(s): Edward, K., Roberts, K. P., Bull, R.

Journal/Book: J Nonverbal Behav. 2000; 24: 233 Spring St, New York, NY 10013-1578, USA. Kluwer Academic-Human Sciences Press. 239-263.

Abstract: We examined the hypotheses that (1) a systematic analysis of nonverbal behavior could be useful in the detection of deceit and (2) that lie detection would be most accurate ii both verbal and nonverbal indicators of deception are taken into account. Seventy-three nursing students participated in a study about ''telling lies'' and either told the truth or lied about a film they had just seen. The interviews were videotaped and audiotaped, and the nonverbal behavior (NVB) and speech content of the liars and truth tellers were analyzed, the latter with the Criteria-Based Content Analysis technique (CBCA) and the Reality Monitoring technique IRM). Results revealed several nonverbal and verbal indicators of deception. On the basis of nonverbal behavior alone, 78% of the lies and truths could be correctly classified. An even higher percentage could be correctly classified when all three detection techniques (i.e., NVB, CBCA, RM) were taken into account.

Note: Article Vrij A, Univ Portsmouth, Dept Psychol, King Henry Bldg, King Henry 1 St, Portsmouth PO1 2DY, Hants, ENGLAND

Keyword(s): detecting deceit; nonverbal behavior; Criteria-Based Content Analysis; Reality Monitoring; SEXUAL ABUSE; COGNITIVE INTERVIEW; FALSE STATEMENTS; POLICE OFFICERS; HAND MOVEMENTS; DECEPTION; CREDIBILITY; ALLEGATIONS; ABILITY; LIES

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