CrimProf Blog

Editor: Kevin Cole
Univ. of San Diego School of Law

Tuesday, September 1, 2015

Koehler on Communicating Probabilistic Forensic Evidence

Koehler jonathanJonathan J. Koehler (Northwestern University - School of Law) has posted Communicating Probabilistic Forensic Evidence in Court (Forthcoming, In Allan Jamieson & Scott Bader (Eds.). A Guide to Forensic DNA Profiling. John Wiley & Sons, Ltd. Chichester, UK) on SSRN. Here is the abstract:

This chapter examines the different ways that forensic science matches may be characterized at trial and how jurors think about those matches. The focus is on common but erroneous match characterizations, and misconceptions jurors may have about the meaning of a match. There is also discussion about the significance of error rates and how presentation of match statistics affects jurors’ beliefs about the strength of the evidence. A final section counsels forensic scientists to avoid mischaracterizing the strength of match evidence and to be forthcoming about the assumptions behind the statistics they offer.

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