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Home Rules of Evidence for Courts in the State of Arizona

Article VII. Opinions and Expert Testimony

  • Introductory Note to Original 1977 Rules:  Problems of Opinion Testimony
  • Rule 701. Opinion Testimony by Lay Witnesses
  • Rule 702. Testimony by Expert Witnesses
  • Rule 703. Bases of an Expert's Opinion Testimony
  • Rule 704. Opinion on an Ultimate Issue
  • Rule 705. Disclosing the Facts or Data Underlying an Expert's Opinion
  • Rule 706. Court Appointed Expert Witnesses
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