Facilitating Memory-Based Lie Detection in Immediate and Delayed Interviewing: The Role of Sketch Mnemonic

Memory enhancing techniques, or mnemonics, are typically recommended in evidence-based investigative interviewing guidelines. In the current study, the use of a sketch mnemonic and its effect on the responses of truth tellers and liars was examined. Participants (n = 49) watched a mock intelligence...

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Main Authors: Aleksandras Izotovas, Aldert Vrij, Leif A. Strömwall, Samantha Mann
Format: Article
Language:English
Published: Vilnius University Press 2020-10-01
Series:Psichologija
Subjects:
Online Access:https://www.zurnalai.vu.lt/psichologija/article/view/17229
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author Aleksandras Izotovas
Aldert Vrij
Leif A. Strömwall
Samantha Mann
author_facet Aleksandras Izotovas
Aldert Vrij
Leif A. Strömwall
Samantha Mann
author_sort Aleksandras Izotovas
collection DOAJ
description Memory enhancing techniques, or mnemonics, are typically recommended in evidence-based investigative interviewing guidelines. In the current study, the use of a sketch mnemonic and its effect on the responses of truth tellers and liars was examined. Participants (n = 49) watched a mock intelligence operation video. They were instructed to tell the truth or lie about this operation in an interview immediately afterwards, and again after a two-week delay. In both interviews participants were requested to make a sketch of the place of the mock operation, and then to verbally describe the drawing. Results revealed that truth tellers reported more visual, spatial, temporal, and action details than liars in the immediate interview. Truth tellers also reported more spatial, temporal and action details than liars in the delayed interview. Truth tellers experienced a decline in reporting action details after the delay, whereas liars did not show a decline in reporting any details over time. Thus, truth-tellers showed patterns of reporting indicative of genuine memory decay, whereas liars produced patterns reflecting a ‘stability bias’. Between-statement consistency was not different across veracity conditions.
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spelling doaj.art-c256eaeaf75943abaee70235b09eb0d22022-12-21T19:21:00ZengVilnius University PressPsichologija1392-03592345-00612020-10-016110.15388/Psichol.2020.16Facilitating Memory-Based Lie Detection in Immediate and Delayed Interviewing: The Role of Sketch MnemonicAleksandras Izotovas0Aldert Vrij1Leif A. Strömwall2Samantha Mann3University of Portsmouth, United KingdomUniversity of Portsmouth, United KingdomUniversity of Gothenburg, SwedenUniversity of Portsmouth, United KingdomMemory enhancing techniques, or mnemonics, are typically recommended in evidence-based investigative interviewing guidelines. In the current study, the use of a sketch mnemonic and its effect on the responses of truth tellers and liars was examined. Participants (n = 49) watched a mock intelligence operation video. They were instructed to tell the truth or lie about this operation in an interview immediately afterwards, and again after a two-week delay. In both interviews participants were requested to make a sketch of the place of the mock operation, and then to verbally describe the drawing. Results revealed that truth tellers reported more visual, spatial, temporal, and action details than liars in the immediate interview. Truth tellers also reported more spatial, temporal and action details than liars in the delayed interview. Truth tellers experienced a decline in reporting action details after the delay, whereas liars did not show a decline in reporting any details over time. Thus, truth-tellers showed patterns of reporting indicative of genuine memory decay, whereas liars produced patterns reflecting a ‘stability bias’. Between-statement consistency was not different across veracity conditions.https://www.zurnalai.vu.lt/psichologija/article/view/17229Deceptionsketchconsistencyrepeated interviewingmemory decay
spellingShingle Aleksandras Izotovas
Aldert Vrij
Leif A. Strömwall
Samantha Mann
Facilitating Memory-Based Lie Detection in Immediate and Delayed Interviewing: The Role of Sketch Mnemonic
Psichologija
Deception
sketch
consistency
repeated interviewing
memory decay
title Facilitating Memory-Based Lie Detection in Immediate and Delayed Interviewing: The Role of Sketch Mnemonic
title_full Facilitating Memory-Based Lie Detection in Immediate and Delayed Interviewing: The Role of Sketch Mnemonic
title_fullStr Facilitating Memory-Based Lie Detection in Immediate and Delayed Interviewing: The Role of Sketch Mnemonic
title_full_unstemmed Facilitating Memory-Based Lie Detection in Immediate and Delayed Interviewing: The Role of Sketch Mnemonic
title_short Facilitating Memory-Based Lie Detection in Immediate and Delayed Interviewing: The Role of Sketch Mnemonic
title_sort facilitating memory based lie detection in immediate and delayed interviewing the role of sketch mnemonic
topic Deception
sketch
consistency
repeated interviewing
memory decay
url https://www.zurnalai.vu.lt/psichologija/article/view/17229
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