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The Frye, Frye, or general acceptance test is a test used in United States courts to determine the admissibility of scientific evidence. It provides that expert opinion based on a scientific technique is admissible only when the technique is generally accepted as reliable in the relevant scientific community. In Daubert v. Merrell Dow Pharmaceuticals, 509 U.S. 579 (1993), the United States Supreme Court held that the Federal Rules of Evidence superseded Frye as the standard for admissibility of expert evidence in federal courts.[1] Some states, however, still adhere to the Frye standard.

History


This standard comes from Frye v. United States, 293 F. 1013 [8] (D.C. Cir. 1923), a case discussing the admissibility of systolic blood pressure deception test as evidence. The Court in Frye held that expert testimony must be based on scientific methods that are sufficiently established and accepted.[2] The court wrote:

In many but not all jurisdictions, the Frye standard has been superseded by the Daubert standard. States still following Frye include: California, Illinois, Maryland, Minnesota, New Jersey, New York, Pennsylvania, and Washington.[3]

On May 23, 2019, the Florida Supreme Court accepted the Daubert standard.[4]

Effective July 1, 2014, Kansas adopted Daubert and no longer follows the Frye standard.

Definition


To meet the Frye standard, scientific evidence presented to the court must be interpreted by the court as "generally accepted" by a meaningful segment of the associated scientific community. This applies to procedures, principles or techniques that may be presented in the proceedings of a court case.

In practical application of this standard, those who were proponents of a widely disputed scientific issue had to provide a number of experts to speak to the validity of the science behind the issue in question.

Novel techniques, placed under the scrutiny of this standard, forced courts to examine papers, books and judicial precedents on the subject at hand to make determinations as to the reliability and "general acceptance."

Commentary


While Daubert has superseded Frye, the standard of Daubert is not substantially different. While the focus of the inquiry has changed, the result rarely does. Accordingly, the Daubert standard has been described as "Frye in drag."[5]

Difficulty in the application of this standard has produced questions about whether or not the standard is flexible enough to adapt to truly new and novel scientific issues, where "general" or "widespread" acceptance may not yet be garnered. On the other hand, whether new and novel allegedly scientific issues are matters of relevance to the court has been questioned.

As an alternative to this standard, the courts have generally adopted Rule 702 of the Federal Rules of Evidence, as the primary for expert testimony and scientific evidence.

See also


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