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Reece v. Hale
Before the Court is Separate Defendant Shawna Stephens's motion (Doc. 44) and brief in support (Doc. 45) to exclude the expert testimony of Dr. Barry Gustin, M.D.. Plaintiff filed a response (Doc. 48) and brief in opposition (Doc. 49). The motion will be DENIED.
“The trial judge has the gatekeeping responsibility to ensure that an expert's testimony both rests on a reliable foundation and is relevant to the task at hand.” Mahaska Bottling Co., Inc. v. PepsiCo, Inc., 441 F.Supp.3d 745, 749 (S.D. Iowa 2019) (internal quotations and alterations omitted) (citing Allen v. Brown Clinic, P.L.L.P., 531 F.3d 568, 573 (8th Cir. 2008)). To be admissible, an expert's testimony “must be reliable or trustworthy in an evidentiary sense, so that, if the finder of fact accepts it as true, it provides the assistance the finder of fact requires.” Johnson v. Mead Johnson & Co., LLC, 754 F.3d 557, 561 (8th Cir. 2014) (quoting Polski v. Quigley Corp., 538 F.3d 836, 839 (8th Cir. 2008)).
“The primary concern of Rule 702 is the underlying principles and methodology utilized by the expert, rather than the expert's conclusions.” Thomas v. FCA U.S. LLC, 242 F.Supp.3d 819, 823 (8th Cir. 2017) (citing Kuhn v. Wyeth, Inc., 686 F.3d 618, 625 (8th Cir. 2012)). The Court looks at “(1) whether the theory or technique can be tested, (2) whether the theory or technique has been subject to peer review and publication, (3) the known or potential rate of error, and (4) whether it is accepted in the relevant discipline.” Kuhn, 686 F.3d at 625. “The exclusion of an expert's opinion is proper only if it is so fundamentally unsupported that it can offer no assistance to the jury.” Wood v. Minn. Mining & Mfg. Co., 112 F.3d 306, 309 (8th Cir. 1997) (internal quotations omitted).
Here there is no dispute that Dr. Gustin is qualified to render an expert opinion. Dr. Gustin is board-certified in emergency medicine, has published peer-review articles, and has practiced emergency medicine since 1984. Defendant instead argues Dr. Gustin's testimony should be excluded because Dr. Gustin's opinion is not based on reliable facts or data, is not helpful to a jury, is contradictory, and is purely based on hypotheses. Generally, the ‘factual basis of an expert opinion goes to credibility of the testimony, not admissibility, and it is up to the opposing party to examine the factual basis for the opinion in cross-examination.'” David E. Watson, P.C. v. United States, 668 F.3d 1008, 1014 (8th Cir. 2012) (...
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