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.