19-19-702. Testimony by expert.
A witness who is qualified as an expert by knowledge, skill, experience, training, or education may testify in the form of an opinion or otherwise if:
(a) The expert's scientific, technical, or other specialized knowledge will help the trier of fact to understand the evidence or to determine a fact in issue;
(b) The testimony is based on sufficient facts or data;
(c) The testimony is the product of reliable principles and methods; and
(d) The expert has reliably applied the principles and methods to the facts of the case.
Source: SL 1979, ch 358 (Supreme Court Rule 78-2, Rule 702); SL 2011, ch 235 (Supreme Court Rule 10-11); SDCL § 19-15-2; SL 2016, ch 239 (Supreme Court Rule 15-50), eff. Jan. 1, 2016.
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