CrimProf Blog

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

Thursday, June 30, 2011

Wittlin on Extrapolating from Jurors to Juries

Maggie Wittlin has posted The Results of Deliberation on SSRN. Here is the abstract:

Social scientists have used mock juror studies to produce a vast body of literature showing how different variables influence juror decision-making. This paper presents a computer model that extrapolates findings about jurors to juries, showing how variables of interest affect the decisions not only of individuals but also of deliberative bodies. The computer model simulates jurors from a specified community, imputes initial votes to them conditional on a user-specified model, and uses Robert MacCoun’s new “social burden of proof” framework to predict the likelihood that the jury will come out for either side, given those initial votes. The paper then demonstrates the usefulness of the model by applying it to the Cultural Cognition Project’s study of the factors that influence the verdict in acquaintance rape cases. I argue that by extrapolating findings about jurors to juries, this model could prove useful to prosecutors, policy-makers, and legal scholars.

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