To act truthfully: Nonverbal behaviour and strategies during a police interrogation

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Stromwall Leif A.; Hartwig Maria; Granhag Par Anders

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Journal: Police Cultural Studies Year:2021 | Volume:7 | Issue:4 (27) Page(s): 67-83

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Title

To act truthfully: Nonverbal behaviour and strategies during a police interrogation

Author(s)

Stromwall Leif A. | Hartwig Maria | Granhag Par Anders | Issue Writer Certificate

Keywords

Nonverbal behaviour

cues to deception

police interrogations

truth tellers’and liars’strategies

Abstract

In an experiment, nonverbal indicators of deception in police interrogations of mock crimes wereexamined. Both vocal and nonvocal behaviours were scored. Thirty participants were subjected tolong interrogations (over 9 minutes) conducted by 30 experienced police officers, asked to interrogateas they normally do. Although the liars reported being significantly more nervous, and found the taskmore strenuous than the truth tellers, no differences in the Nonverbal behaviours scored were found. In an analysis of the strategies employed, both truth tellers and liars were found to try to not makeexcess movements. The principal verbal content strategy for the liars was to keep the story simple, andfor truth tellers to keep the story real. The reasons why, in this demanding situation, the truth tellersand liars could not be distinguished by their Nonverbal behaviour are discussed.

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APA: Copy

Stromwall, Leif A., Hartwig, Maria, & Granhag, Par Anders. (2021). To act truthfully: Nonverbal behaviour and strategies during a police interrogation. JOURNALS OF HAMEDAN POLICE SCIENCE, 7(4 (27) ), 67-83. SID. https://sid.ir/paper/403004/en

Vancouver: Copy

Stromwall Leif A., Hartwig Maria, Granhag Par Anders. To act truthfully: Nonverbal behaviour and strategies during a police interrogation. JOURNALS OF HAMEDAN POLICE SCIENCE[Internet]. 2021;7(4 (27) ):67-83. Available from: https://sid.ir/paper/403004/en

IEEE: Copy

Leif A. Stromwall, Maria Hartwig, and Par Anders Granhag, “To act truthfully: Nonverbal behaviour and strategies during a police interrogation,” JOURNALS OF HAMEDAN POLICE SCIENCE, vol. 7, no. 4 (27) , pp. 67–83, 2021, [Online]. Available: https://sid.ir/paper/403004/en

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