The state of Michigan follows the Daubert test for the admissibility of expert witness testimony. Chapin v. A&L Parts, Inc., 733 N.W.2d 23 (Mich. 2007). In order for expert testimony to be admissible the court must find that it is reliable. Id. This requires the court to conduct “a searching inquiry, not just of the data underlying expert testimony, but also of the manner in which the expert interprets and extrapolates from that data.” Id. The purpose of the Daubert test is to “ensure that a jury is not relying on unproven and ultimately unsound scientific methods.” People v. Lane, 862 N.W.2d 446 (Mich. Ct. App. 2014). Expert witness testimony ias admissible “(1) if the testimony is based on sufficient facts or data, (2) the testimony is the product of reliable principles and methods, and (3) the witness has applied the principles and methods reliably to the facts of the case.” Id.
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