A test of the micro-expressions training tool: Does it improve lie detection?

Sarah Jordan; Laure Brimbal; D. Brian Wallace; Saul M. Kassin; Maria Hartwig; Chris N. H. Street

doi:10.1002/jip.1532

A test of the micro-expressions training tool: Does it improve lie detection?

Sarah Jordan, Laure Brimbal, D. Brian Wallace, Saul M. Kassin, Maria Hartwig, Chris N. H. Street

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

14 Citations (Scopus)

Abstract

The purpose of the study was to examine the effectiveness of the micro‐expressions training tool (METT) in identifying and using micro‐expressions to improve lie detection. Participants (n = 90) were randomly assigned to receive training in micro‐expressions recognition, a bogus control training, or no training. All participants made veracity judgements of five randomly selected videos of targets providing deceptive or truthful statements. With the use of the Bayesian analyses, we found that the METT group did not outperform those in the bogus training and no training groups. Further, overall accuracy was slightly below chance. Implications of these results are discussed.

Original language	English
Pages (from-to)	222-235
Number of pages	14
Journal	Journal of Investigative Psychology and Offender Profiling
Volume	16
Issue number	3
Early online date	20 Aug 2019
DOIs	https://doi.org/10.1002/jip.1532
Publication status	Published - 1 Oct 2019

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Cite this

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title = "A test of the micro-expressions training tool: Does it improve lie detection?",

abstract = "The purpose of the study was to examine the effectiveness of the micro‐expressions training tool (METT) in identifying and using micro‐expressions to improve lie detection. Participants (n = 90) were randomly assigned to receive training in micro‐expressions recognition, a bogus control training, or no training. All participants made veracity judgements of five randomly selected videos of targets providing deceptive or truthful statements. With the use of the Bayesian analyses, we found that the METT group did not outperform those in the bogus training and no training groups. Further, overall accuracy was slightly below chance. Implications of these results are discussed.",

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AB - The purpose of the study was to examine the effectiveness of the micro‐expressions training tool (METT) in identifying and using micro‐expressions to improve lie detection. Participants (n = 90) were randomly assigned to receive training in micro‐expressions recognition, a bogus control training, or no training. All participants made veracity judgements of five randomly selected videos of targets providing deceptive or truthful statements. With the use of the Bayesian analyses, we found that the METT group did not outperform those in the bogus training and no training groups. Further, overall accuracy was slightly below chance. Implications of these results are discussed.

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A test of the micro-expressions training tool: Does it improve lie detection?

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Study finds flaws in leading security lie detection training tool

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A test of the micro-expressions training tool: Does it improve lie detection?

Abstract

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Study finds flaws in leading security lie detection training tool

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