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Gatekeeping Science: Using The Structure Of Scientific Research To Distinguish Between Admissibility And Weight In Expert Testimony, David L. Faigman, Christopher Slobogin, John Monahan
Gatekeeping Science: Using The Structure Of Scientific Research To Distinguish Between Admissibility And Weight In Expert Testimony, David L. Faigman, Christopher Slobogin, John Monahan
Northwestern University Law Review
Fundamental to all evidence rules is the division of responsibility between the judge, who determines the admissibility of evidence, and the jury, which gauges its weight. In most evidentiary contexts, such as those involving hearsay and character, threshold admissibility obligations are clear and relatively uncontroversial. The same is not true for scientific evidence. The complex nature of scientific inference, and in particular the challenges of reasoning from group data to individual cases, has bedeviled courts. As a result, courts vary considerably on how they define the judge’s gatekeeping task under Federal Rule of Evidence 702 and its state equivalents.
This …