Texas Rules of Evidence Rule 702
Rule 702. Testimony by Expert Witnesses
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 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.
History: Added Feb. 25, 1998, eff. March 1, 1998; amended effective April 1, 2015