Terms Used In Wisconsin Statutes 907.02

  • Evidence: Information presented in testimony or in documents that is used to persuade the fact finder (judge or jury) to decide the case for one side or the other.
  • Qualified: when applied to any person elected or appointed to office, means that such person has done those things which the person was by law required to do before entering upon the duties of the person's office. See Wisconsin Statutes 990.01
  • Testify: Answer questions in court.
  • Testimony: Evidence presented orally by witnesses during trials or before grand juries.
   (1)    If scientific, technical, or other specialized knowledge will assist the trier of fact to understand the evidence or to determine a fact in issue, a witness qualified as an expert by knowledge, skill, experience, training, or education, may testify thereto in the form of an opinion or otherwise, if the testimony is based upon sufficient facts or data, the testimony is the product of reliable principles and methods, and the witness has applied the principles and methods reliably to the facts of the case.
   (2)   Notwithstanding sub. (1), the testimony of an expert witness may not be admitted if the expert witness is entitled to receive any compensation contingent on the outcome of any claim or case with respect to which the testimony is being offered.