If the witness is not testifying as an expert, testimony of the witness in the form of opinions or inferences is limited to those opinions or inferences which are:

Terms Used In Oregon Statutes 40.405

  • Testimony: Evidence presented orally by witnesses during trials or before grand juries.

(1) Rationally based on the perception of the witness; and

(2) Helpful to a clear understanding of testimony of the witness or the determination of a fact in issue. [1981 c.892 § 57]