Instrumental measurement of the cognitive and emotional background of deception

Viktória Műhelyi (), György Kis and Szabolcs Takács
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Viktória Műhelyi: Károli Gáspár University of the Reformed Church in Hungary
György Kis: ANIMA Polygraph Ltd
Szabolcs Takács: Károli Gáspár University of the Reformed Church in Hungary

Quality & Quantity: International Journal of Methodology, 2022, vol. 56, issue 5, No 28, 3505-3518

Abstract: Abstract The aim of this study is to instrumentally explore the cognitive and emotional load behind deception. According to literature, the cognitive and emotional load comprises of cognitive-, and emotional-related variables that are in association with the probability of lies. This study is a milestone of the Lie Research group at Károli Gáspár University of the Reformed Church in Hungary. Acquaintances, friends, and other university students who were invited to our thoroughly organised interactive games. This research makes use of an interactive role-playing game called Mafia (also known as Werewolf). However, this version of the game also featured an interrogation session that was conducted by professionals who are familiar with the voice analysing software LVA-650. In order to establish the two-factor model, it was essential to carry out a confirmatory factor analysis. The voice segments (n = 969) collected from the interrogations served as the basis for the statistical investigation (research license: 278/2016/P). The confirmatory factor analysis showed significant correlations among the variables (Fig. 1). The model fit indices confirmed the hypothesised model (RMSEA: .043; SRMR: .035; TLI: .975; CFI: .987). During deception both emotional and cognitive load have various components, and they may appear in similar channels (e.g. micro-expressions, movements, changes in the voice). However, our aim was the explore the possibilities of the LVA-650, which can divide these two types of loads among algorithms. Our results suggest that both emotion and cognition play a major role in deception. These findings help researchers and professionals better understand deception and may alleviate the process of detecting lies. Thus far, this may be the first study in Hungary that documents instrumental methods about the cognitive and emotional background of deception.

Keywords: Deception; Layered Voice Analysis (LVA); Mafia game; Cognitive and emotional load; Confirmatory factor analysis (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s11135-021-01279-4

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