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Simulation Detection in Handwritten Documents by Forensic Document Examiners.

Moshe Kam1, Pramod Abichandani2, Tom Hewett3

  • 1Department of Electrical and Computer Engineering, New Jersey Institute of Technology, University Heights, Newark, NJ, 07102.

Journal of Forensic Sciences
|July 21, 2015
PubMed
Summary
This summary is machine-generated.

Forensic document examiners (FDEs) are more accurate than laypersons at detecting simulated handwriting. FDEs demonstrated superior performance, minimizing errors in identifying genuine versus forged documents.

Keywords:
forensic sciencehandwritten documentsmock juryproficiency testingquestioned document examinationsimulated handwriting

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Area of Science:

  • Forensic Science
  • Document Examination
  • Psychology of Perception

Background:

  • Handwriting analysis is crucial in legal contexts.
  • Distinguishing genuine handwriting from simulations is a key challenge.
  • The expertise of forensic document examiners (FDEs) in this task requires empirical validation against layperson capabilities.

Purpose of the Study:

  • To quantitatively assess the accuracy of FDEs and laypersons in detecting simulated handwriting.
  • To compare the error rates between expert examiners and a typical jury pool.
  • To evaluate the reliability of FDEs in correctly identifying genuine documents.

Main Methods:

  • A controlled experiment was conducted involving 19 professional FDEs and 26 laypersons.
  • Participants analyzed test packages containing known and questioned handwritten documents.
  • Questioned documents were either genuine or simulated attempts to mimic the known writer's style.

Main Results:

  • FDEs exhibited significantly lower error rates in detecting simulated handwriting compared to laypersons.
  • FDEs never misclassified a genuine document as a simulation.
  • A statistically significant difference was observed in the responses of FDEs and laypersons for non-simulated documents.

Conclusions:

  • Professional forensic document examiners possess superior skills in identifying simulated handwriting.
  • The findings support the expertise of FDEs in forensic document analysis.
  • Expertise significantly enhances the ability to differentiate genuine from forged handwriting.