The Verifiability Approach: a meta-analysis

Nicola Palena; Letizia Caso; Aldert Vrij; Galit Nahari

doi:10.1016/j.jarmac.2020.09.001

The Verifiability Approach: a meta-analysis

Nicola Palena, Letizia Caso, Aldert Vrij, Galit Nahari

International Centre for Research in Forensic Psychology

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Abstract

The Verifiability Approach (VA) is a verbal veracity tool that assumes that truth tellers provide more details that can be verified and obtain a higher ratio of such details (verifiable details/total details) than liars. A VA meta-analysis was conducted. Results showed that truth tellers reported more Verifiable Details than liars (k = 20, N = 1532, g = 0.42). The effect was moderated by the presence of the Information Protocol and by the nature of the statement (event-related or not). Truth tellers reported a higher ratio of Verifiable Details than liars (k = 18, N = 1359, g = 0.49). The effect was moderated by the medium through which the statement was provided. Unverifiable details did not discriminate truth tellers from liars (k = 15, N = 957, g = -0.25). In conclusion, results showed good potential for the use the VA, although replications and field studies are needed.

Original language	English
Pages (from-to)	155-166
Journal	Journal of Applied Research in Memory and Cognition
Volume	10
Issue number	1
Early online date	19 Nov 2020
DOIs	https://doi.org/10.1016/j.jarmac.2020.09.001
Publication status	Published - 1 Mar 2021

Keywords

verifiability approach
verifiable detail
checkable details
meta-analysis

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10.1016/j.jarmac.2020.09.001

The Verifiability Approach A Meta-AnalysisAccepted author manuscript (Post-print), 256 KBLicence: CC BY-NC-ND

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title = "The Verifiability Approach: a meta-analysis",

abstract = "The Verifiability Approach (VA) is a verbal veracity tool that assumes that truth tellers provide more details that can be verified and obtain a higher ratio of such details (verifiable details/total details) than liars. A VA meta-analysis was conducted. Results showed that truth tellers reported more Verifiable Details than liars (k = 20, N = 1532, g = 0.42). The effect was moderated by the presence of the Information Protocol and by the nature of the statement (event-related or not). Truth tellers reported a higher ratio of Verifiable Details than liars (k = 18, N = 1359, g = 0.49). The effect was moderated by the medium through which the statement was provided. Unverifiable details did not discriminate truth tellers from liars (k = 15, N = 957, g = -0.25). In conclusion, results showed good potential for the use the VA, although replications and field studies are needed.",

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The Verifiability Approach: a meta-analysis

Abstract

Keywords

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