The role of account length in detecting deception in written and orally produced autobiographical accounts using reality monitoring

Elntib, Stamatis, Wagstaff, Graham F. and Wheatcroft, Jacqueline M. ORCID: 0000-0001-7212-1598 (2015) The role of account length in detecting deception in written and orally produced autobiographical accounts using reality monitoring. Journal of Investigative Psychology and Offender Profiling, 12 (2). pp. 185-198. ISSN 1544-4759

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Abstract

Reality monitoring lie‐detection studies, like others that use raw frequency counts as primary data, seem consistently to underestimate the influence of the length of (or number of words in) the account. The decisions as to whether to standardise or not, or what method of standardisation to use, are rarely empirically driven, so it is still unclear as to whether reality monitoring is more effective before or after standardisation for length. Another factor that also has received little attention in the reality monitoring literature is whether statements are produced orally or in written form. To investigate these issues, 42 autobiographical statements, 21 truthful, and 21 deceptive, including 22 oral and 20 written accounts, were analysed before and after word count standardisation. Results showed that reality monitoring criteria only discriminated significantly between truthful and deceptive accounts when no attempt to control for word count was made. Also, oral statements contained more evidence of reality monitoring criteria before standardisation for word count, whereas written statements were denser and contained more evidence of reality monitoring criteria after standardisation. Implications are discussed.

Item Type: Article
Article Type: Article
Additional Information: This is the peer reviewed version of the following article: Elntib, S, Wagstaff, GF, and Wheatcroft, JM (2015), The Role of Account Length in Detecting Deception in Written and Orally Produced Autobiographical Accounts using Reality Monitoring. J. Investig. Psych. Offender Profil., 12, 185–198. doi: 10.1002/jip.1420., which has been published in final form at https://onlinelibrary.wiley.com/doi/abs/10.1002/jip.1420. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Uncontrolled Keywords: Verbal lie detection; Reality monitoring; Written statement; Oral account; Account length
Subjects: B Philosophy. Psychology. Religion > BF Psychology
H Social Sciences > HV Social pathology. Social and public welfare. Criminology. > HV7231 Criminal justice administration
Divisions: Schools and Research Institutes > School of Natural & Social Sciences > Psychological Sciences
Research Priority Areas: Sport, Exercise, Health & Wellbeing
Depositing User: Rhiannon Jones
Date Deposited: 22 Oct 2018 08:59
Last Modified: 23 Oct 2018 10:46
URI: http://eprints.glos.ac.uk/id/eprint/6109

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