A Gentle Introduction to the Likelihood Ratio: Basic Ideas, Implementation, and Limitations

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2023-08-24
Authors
Salyards, Jeff
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StatisticsCenter for Statistics and Applications in Forensic Evidence
Abstract
The workshop focuses on the likelihood ratio (LR) approach in forensic science. The LR, a one-number summary, quantifies how well the observations/results are explained by the prosecution's versus the defense’s propositions. While the basic idea behind the LR is simple and intuitive, challenges arise when trying to implement the approach on different types of evidence. Presenters will discuss the statistical foundations of the LR, applications in different forensic disciplines, best practices, and limitations.
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This presentation is from the 107th International Association for Identification (IAI) Annual Educational Conference, National Harbor, Maryland, August 20-26, 2023. Posted with permission of CSAFE.

Copyright 2023, The Authors.
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