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Articles 1 - 13 of 13
Full-Text Articles in Evidence
Amicus Brief: Kumho Tire V. Carmichael, Neil Vidmar, Richard Lempert, Shari Diamond, Valerie Hans, Stephan Landsman, Robert Maccoun, Joseph Sanders, Harmon Hosch, Saul Kassin, Marc Galanter, Theodore Eisenberg, Stephen Daniels, Edith Greene, Joanne Martin, Steven Penrod, James Richardson, Larry Heuer, Irwin Horowitz
Amicus Brief: Kumho Tire V. Carmichael, Neil Vidmar, Richard Lempert, Shari Diamond, Valerie Hans, Stephan Landsman, Robert Maccoun, Joseph Sanders, Harmon Hosch, Saul Kassin, Marc Galanter, Theodore Eisenberg, Stephen Daniels, Edith Greene, Joanne Martin, Steven Penrod, James Richardson, Larry Heuer, Irwin Horowitz
Robert MacCoun
This brief addresses the issue of jury performance and jury responses to expert testimony. It reviews and summaries a substantial body of research evidence about jury behavior that has been produced over the past quarter century. The great weight of that evidence challenges the view that jurors abdicate their responsibilities as fact finders when faced with expert evidence or that they are pro-plaintiff, anti-defendant, and anti-business.
The Petitioners and amici on behalf of petitioners make a number of overlapping, but empirically unsupported, assertions about jury behavior in response to expert testimony, namely that juries are frequently incapable of critically evaluation …
Experts, Statistics, Science & Bad Science, Curtis E.A. Karnow
Experts, Statistics, Science & Bad Science, Curtis E.A. Karnow
Curtis E.A. Karnow
Articles, books, and other online resources relating to expert testimony with a specific focus on problems with peer review, bad science, and statistics
Visualizing Dna Proof, Nicholas L. Georgakopoulos
Visualizing Dna Proof, Nicholas L. Georgakopoulos
Nicholas L Georgakopoulos
DNA proof inherently involves the use of probability theory, which is often counterintuitive. Visual depictions of probability theory, however, can clarify the analysis and make it tractable. A DNA hit from a large database is a notoriously difficult probability theory issue, yet the visuals should enable courts and juries to handle it. The Puckett facts are an example of a general approach: A search in a large DNA database produces a hit for a cold crime from 1972 San Francisco. Probability theory allows us to process the probabilities that someone else in the database, someone not in the database, or …
The Hallmark Of A Champion—Or Not, Robert Sanger
The Hallmark Of A Champion—Or Not, Robert Sanger
Robert M. Sanger
Two decisions that just came down, one from the United States Supreme Court and the other from the California Supreme Court. The former is Hall v. Florida and the latter is In re Champion on Habeas Corpus. The Hall and Champion cases, although they do not cite each other, both discuss significant issues with regard to who is eligible for execution under the Atkins decision.
Hall and Champion perpetuate the myth that capital punishment can be imposed accurately and consistently. Additionally, both cases contain serious errors in interpreting science while suggesting that life and death decisions can be based on …
Science On Trial, Valerie P. Hans
Science On Trial, Valerie P. Hans
Valerie P. Hans
The increasing complexity of both criminal and civil jury trials raises a host of issues for lawyers and judges. For the litigator, the first question is whether a jury can be trusted with a case that turns on highly technical evidence. For the trial judge, there are decisions about the admissibility of expert testimony, whether it is based on sound science, and whether a jury is likely to be misled by scientific claims. Should the judge permit jury innovations such as note taking, question asking, and juror discussions of evidence during the trial, hoping to increase jury comprehension of the …
Can Jury Trial Innovations Improve Juror Understanding Of Dna Evidence?, B. Michael Dann, Valerie P. Hans, David H. Kaye
Can Jury Trial Innovations Improve Juror Understanding Of Dna Evidence?, B. Michael Dann, Valerie P. Hans, David H. Kaye
Valerie P. Hans
A single spot of blood on a pink windowsill will tell investigators who broke a windowpane, turned a lock, and kidnapped 2-year-old Molly Evans from her bedroom in the middle of the night. An expert witness will testify that the DNA profile of the blood evidence recovered from the windowsill was entered into CODIS, an electronic database of DNA profiles. That process yielded a “hit,” identifying the defendant as the most likely source of the blood inside Molly’s room. But will jurors be able to understand the expert’s intricate analysis and use it to reach a verdict? And what—if any—steps …
Testing Jury Reforms, Valerie P. Hans, B. Michael Dann, David H. Kaye, Erin J. Farley, Stephanie Albertson
Testing Jury Reforms, Valerie P. Hans, B. Michael Dann, David H. Kaye, Erin J. Farley, Stephanie Albertson
Valerie P. Hans
DNA evidence has become a key law enforcement tool and is increasingly presented in criminal trials in Delaware and elsewhere. The integrity of the criminal trial process turns upon the jury's ability to understand DNA evidence and to evaluate properly the testimony of experts. How well do they do? Can we assist them in the process?
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
Valerie P. Hans
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 …
Judges, Juries, And Scientific Evidence, Valerie P. Hans
Judges, Juries, And Scientific Evidence, Valerie P. Hans
Valerie P. Hans
The rise in scientific evidence offered in American jury trials, along with court rulings thrusting judges into the business of assessing the soundness of scientific evidence, have produced challenges for judge and jury alike. Many judges have taken up the duty of becoming “amateur scientists.” But what about juries? Surely they too could benefit from assistance as they attempt to master and apply complex testimony about scientific matters during the course of a trial. Concerns about the jury’s ability to understand, critically evaluate, and employ scientific evidence in deciding complex trials have led to many suggestions for reform. This article …
Dalla Traccia Di Sangue All'identikit Facciale, Charles E. Maclean
Dalla Traccia Di Sangue All'identikit Facciale, Charles E. Maclean
Charles E. MacLean
Assessment of dilemmas inherent in using DNA phenotyping methods to generate a physical likeness of a crime suspect based only on DNA shed at the crime scene.
Dumping Daubert, Popping Popper And Falsifying Falsifiability: A Re-Assessment Of First Principles, Barbara P. Billauer Esq
Dumping Daubert, Popping Popper And Falsifying Falsifiability: A Re-Assessment Of First Principles, Barbara P. Billauer Esq
barbara p billauer esq
Abstract: The Daubert mantra demands that judges, acting as gatekeepers, prevent para, pseudo or bad science from infiltrating the courtroom. To do so, the Judges must first determine what is ‘science’ and what is ‘good science.’ It is submitted that Daubert is deeply polluted with the notions of Karl Popper who sets ‘falsifiability’ and ‘falsification’ as the demarcation line for that determination. This philosophy has intractably infected case law, leading to bad decisions immortalized as stare decisis, and an unworkable system of decision-making, which negatively impacts litigant expectations. Among other problems is the intolerance of Popper’s system for multiple causation, …
Full-Scale Intelligence Quotient Test Scores And The Impropriety Of “Ethnic (Or Socio-Economic) Adjustment” In Atkins Cases, Robert Sanger
Full-Scale Intelligence Quotient Test Scores And The Impropriety Of “Ethnic (Or Socio-Economic) Adjustment” In Atkins Cases, Robert Sanger
Robert M. Sanger
After attending this presentation, attendees will gain new information regarding developments in epigenetics which relate to the validity of Full-Scale Intelligence Quotient (FSIQ) scores in determining intellectual disability for the purpose of eligibility of a criminal defendant to be executed if otherwise subject to the death penalty. (Complete Abstract at page 727 of the proceedings: http://www.aafs.org/sites/default/files/2015/2015Proceedings.pdf )
Toward A Textualist Paradigm For Interpreting Emoticons, John Ehrett
Toward A Textualist Paradigm For Interpreting Emoticons, John Ehrett
John Ehrett
This Essay evaluates the dimensions of courts’ current interpretive dilemma, and subsequently sketches a possible framework for extending traditional statutory interpretation principles into this new domain. Throughout the analysis, the Essay describes the process of attaching cognizable linguistic referents to emoticons and emojis throughout as symbolical reification, and proposes a normative way forward for those tasked with deriving meaning from emoji-laden communications.