Chapter VII · Opinions and Expert Testimony
Rule 5.701. Opinion testimony by lay witnesses
Amended January 1, 2017 (current)
If a witness is not testifying as an expert, testimony in the form of an opinion is limited to one that is:
(a) Rationally based on the witness’s perception;
(b) Helpful to clearly understanding the witness’s testimony or to determining a fact in issue; and
(c) Not based on scientific, technical, or other specialized knowledge within the scope of rule 5.702.