| The Dynamic Character of Disguise Behavior for Text-based, Mixed, and Stylized Signatures. | |
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MedLine Citation:
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PMID: 20950317 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The aims of this study were to determine if dynamic parameters (duration, size, velocity, jerk, and pen pressure) differed for signing style (text-based, stylized, and mixed) and if signing style influences handwriting dynamics equally across three signature conditions (genuine, disguised, and auto-simulation). Ninety writers provided 10 genuine signatures, five disguised signatures, and five auto-simulated signatures. All 1800 signatures were collected using a digitizing tablet resulting in a database of each signature's dynamic characteristics. With genuine signatures, there were significant differences between styles for size, velocity, and pen pressure, and there were significant differences between genuine signatures and at least one of the un-natural signature conditions for all parameters. For velocity and size, these changes with condition were dependent on style. Changes with condition for the other parameters were similar for the three styles. This study shows that there are differences among natural signature styles and disguise behaviors that may be relevant in forensic signature examinations. |
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Authors:
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Linton A Mohammed; Bryan Found; Michael Caligiuri; Doug Rogers |
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Publication Detail:
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Type: Journal Article Date: 2010-10-15 |
Journal Detail:
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Title: Journal of forensic sciences Volume: 56 Suppl 1 ISSN: 1556-4029 ISO Abbreviation: J. Forensic Sci. Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-01-04 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0375370 Medline TA: J Forensic Sci Country: United States |
Other Details:
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Languages: eng Pagination: S136-41 Citation Subset: IM |
Copyright Information:
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© 2010 American Academy of Forensic Sciences. |
Affiliation:
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San Diego Sheriff's Regional Crime Laboratory, 5255 Mt. Etna Drive, San Diego, CA 92117. Handwriting Analysis and Research Laboratory, School of Human Biosciences, La Trobe University, Bundoora, Vic. 3086, Australia. Document Examination Unit, Digital and Documents Evidence Branch, Victoria Police Forensic Services Department, Macleod, Vic. 3085, Australia. Department of Psychiatry, School of Medicine, University of California, San Diego, San Diego, CA 92037. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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