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Genuine and simulated suicide notes: An analysis of content
Maria Ioannou1, Agata Debowska1
1International Research Centre for Investigative Psychology (IRCIP), University of Huddersfield, Huddersfield, UK.
Forensic Science International
|December 3, 2014
Summary
Researchers analyzed genuine and simulated suicide notes to find differentiating content. Authentic notes showed more internally consistent themes than fabricated ones, aiding in distinguishing between them.
Area of Science:
- Psychology
- Forensic Linguistics
Background:
- Distinguishing between genuine and simulated suicide notes is crucial for forensic investigations and psychological autopsies.
- Content analysis provides a method for examining linguistic and thematic patterns in written communication.
Purpose of the Study:
- To identify specific content measures that effectively differentiate genuine suicide notes from simulated ones.
- To explore the thematic structures underlying authentic and fabricated suicide notes.
Main Methods:
- Content analysis was performed on 33 genuine and 33 simulated suicide notes.
- Smallest Space Analysis (SSA), a Multidimensional Scaling Procedure, was applied to the content-analysed data.
Main Results:
- A core set of variables (expressions of love, positive partner construction, apologies) was common to all notes.
- Four distinct themes emerged in genuine suicide notes ('planned escape', 'negative affect and self-mitigation', 'positive affect and failed relationship', 'lack of self-acceptance').
- Three distinct themes were identified in simulated suicide notes ('escape', 'positive affect and self-blame', 'purposeless life').
- Authentic suicide note themes demonstrated greater internal consistency and clarity compared to simulated themes.
Conclusions:
- The identified themes and their internal consistency can serve as key indicators for differentiating genuine from simulated suicide notes.
- Linguistic and thematic analysis, particularly using SSA, offers a robust methodology for forensic document examination.
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