§ Rule 701 Opinion testimony by lay witnesses

Rule 701. Opinion testimony by lay witnesses

    If the witness is not testifying as an expert, the testimony of the witness in the form of opinions or inferences is limited to those opinions or inferences which are (a) rationally based on the perception of the witness and (b) helpful to a clear understanding of the testimony of the witness or the determination of a fact in issue, and (c) not based on scientific, technical or other specialized knowledge within the scope of Rule 702.