Does the truth come out in the writing? SCAN as a lie detection tool

G. Nahari; Aldert Vrij; R. Fisher

doi:10.1007/s10979-011-9264-6

Does the truth come out in the writing? SCAN as a lie detection tool

G. Nahari, Aldert Vrij, R. Fisher

International Centre for Research in Forensic Psychology

Research output: Contribution to journal › Article › peer-review

Abstract

We tested the accuracy of Scientific Content Analysis (SCAN), a verbal lie detection tool that is used world-wide by federal law enforcement and military agencies. Sixty-one participants were requested to write down the truth, an outright lie or a concealment lie about activities they had just completed. The statements were coded with SCAN and with another verbal lie detection tool, Reality Monitoring (RM). RM discriminated significantly between truth tellers and outright liars and between truth tellers and concealment liars, whereas SCAN did not discriminate between truth tellers and either kind of liar. Implications of the findings for the suitability of SCAN as a lie detection tool are discussed.

Original language	English
Journal	Law and Human Behavior
DOIs	https://doi.org/10.1007/s10979-011-9264-6
Publication status	Published - 21 Jan 2011

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abstract = "We tested the accuracy of Scientific Content Analysis (SCAN), a verbal lie detection tool that is used world-wide by federal law enforcement and military agencies. Sixty-one participants were requested to write down the truth, an outright lie or a concealment lie about activities they had just completed. The statements were coded with SCAN and with another verbal lie detection tool, Reality Monitoring (RM). RM discriminated significantly between truth tellers and outright liars and between truth tellers and concealment liars, whereas SCAN did not discriminate between truth tellers and either kind of liar. Implications of the findings for the suitability of SCAN as a lie detection tool are discussed.",

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Does the truth come out in the writing? SCAN as a lie detection tool

Abstract

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