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Statistics In The Jury Box: How Jurors Respond To Mitochondrial Dna Match Probabilities, David H. Kaye, Valerie P. Hans, B. Michael Dann, Erin J. Farley, Stephanie Albertson
Statistics In The Jury Box: How Jurors Respond To Mitochondrial Dna Match Probabilities, David H. Kaye, Valerie P. Hans, B. Michael Dann, Erin J. Farley, Stephanie Albertson
Cornell Law Faculty Publications
This article describes parts of an unusually realistic experiment on the comprehension of expert testimony on mitochondrial DNA (mtDNA) sequencing in a criminal trial for robbery. Specifically, we examine how jurors who responded to summonses for jury duty evaluated portions of videotaped testimony involving probabilities and statistics. Although some jurors showed susceptibility to classic fallacies in interpreting conditional probabilities, the jurors as a whole were not overwhelmed by a 99.98% exclusion probability that the prosecution presented. Cognitive errors favoring the defense were more prevalent than ones favoring the prosecution. These findings lend scant support to the legal argument that mtDNA …
Every Juror Wants A Story: Narrative Relevance, Third Party Guilt And The Right To Present A Defense, John H. Blume, Sheri L. Johnson, Emily C. Paavola
Every Juror Wants A Story: Narrative Relevance, Third Party Guilt And The Right To Present A Defense, John H. Blume, Sheri L. Johnson, Emily C. Paavola
Cornell Law Faculty Publications
On occasion, criminal defendants hope to convince a jury that the state has not met its burden of proving them guilty beyond a reasonable doubt by offering evidence that someone else (a third party) committed the crime. Currently, state and federal courts assess the admissibility of evidence of third-party guilt using a variety of standards. In general, however, there are two basic approaches. Many state courts require a defendant to proffer evidence of some sort of direct link or connection between a specific third-party and the crime. A second group of state courts, as well as federal courts, admit evidence …