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Modeling The Effects Of Peremptory Challenges On Jury Selection And Jury Verdicts, Roger Allen Ford

Law Faculty Scholarship

Although proponents argue that peremptory challenges make juries more impartial by eliminating “extreme” jurors, studies testing this theory are rare and inconclusive. For this article, two formal models of jury selection are constructed, and various selection procedures are tested, assuming that attorneys act rationally rather than discriminate based on animus. The models demonstrate that even when used rationally, peremptory challenges can distort jury decision making and undermine verdict reliability. Peremptory challenges systematically shift jurors toward the majority view of the population by favoring median jurors over extreme jurors. If the population of potential jurors is skewed in favor of conviction …