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Activity Number: 259
Type: Contributed
Date/Time: Monday, August 1, 2016 : 2:00 PM to 3:50 PM
Sponsor: Government Statistics Section
Abstract #321047 View Presentation
Title: A Comparative Analysis of Approaches for Quantifying the Weight of Evidence in Forensic Science
Author(s): Hariharan Iyer* and Steven Lund
Companies: National Institute of Statistical Sciences and National Institute of Standards and Technology
Keywords: Statistics and the Law ; Science and Justice ; Likelihood ; Likelihood Ratio ; Forensic Science ; Weight of Evidence
Abstract:

During the past several years there has been a serious effort by the community of forensic scientists to move away from subjective conclusions based on the findings from a forensic examination of evidence, by trained and experienced forensic examiners, to a more logical, probabilistic framework for quantifying the weight of such evidence using likelihoods, likelihood ratios, or other appropriate "objective" measures. This talk will give a brief explanation of competing approaches, discuss their pros and cons, and illustrate them using specific application areas such as pattern evidence (fingerprints, shoe-prints, etc.) and trace evidence.


Authors who are presenting talks have a * after their name.

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