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60-457. Preliminary examination for non-expert witness; pre-trial hearing for expert witness. (a) If a witness is not testifying as an expert, the judge may require that a witness before testifying in terms of opinion or inference be first examined concerning the facts or data upon which the opinion or inference is founded.

(b) If a witness is testifying as an expert, upon motion of a party, the court may hold a pretrial hearing to determine whether the witness qualifies as an expert and whether the witness's testimony satisfies the requirements of subsection (b) of K.S.A. 60-456, and amendments thereto. The court shall allow sufficient time for a hearing. The court shall rule on the qualifications of the witness to testify as an expert and whether or not the testimony satisfies the requirements of subsection (b) of K.S.A. 60-456, and amendments thereto. Such hearing and ruling shall be completed no later than the final pretrial conference contemplated under subsection (d) of K.S.A. 60-216, and amendments thereto.

History: L. 1963, ch. 303, 60-457; L. 2014, ch. 84, ยง 3; July 1.

Cross References to Related Sections:

Prerequisites of knowledge and experience, see 60-419.

Law Review and Bar Journal References:

"Expertise: The Expert and the Learned Treatise," Edward G. Collister, Jr., 17 K.L.R. 167, 169, 171 (1968).

"Uninsured/Underinsured Motorist Insurance: A Sleeping Giant," Gerald W. Scott, 63 J.K.B.A. No. 4, 28, 37 (1994).

"On the Admissibility of Expert Testimony in Kansas," Mark D. Hinderks and Steve Leben, 66 J.K.B.A. No. 9, 24 (1997).

"Turning a Blind Eye to Justice: Kansas Courts Must Integrate Scientific Research Regarding Eyewitness Testimony into the Courtroom," Bethany Shelton, 56 K.L.R. 960 (2008).


1. Witness may be first examined on data upon which expert opinion is based when witness not sufficiently informed of relevant facts. Staudinger v. Sooner Pipe & Supply Corporation, 208 K. 101, 103, 105, 490 P.2d 619.

2. Mentioned in upholding admissibility of expert opinion as to parties' actions contributing to accident. Ziegler v. Crofoot, 213 K. 480, 484, 516 P.2d 954.

3. Applied in determining exclusion of expert testimony in medical malpractice action error. Chandler v. Neosho Memorial Hospital, 223 K. 1, 6, 574 P.2d 136.

4. Cited; foundation held sufficient; expert opinion testimony admissible. Plains Transp. of Kan. v. King, 224 K. 17, 22, 518 P.2d 1095.

5. Opinion as to future business profits based on profitability of comparable businesses admissible. Butler v. Westgate State Bank, 3 K.A.2d 403, 414, 596 P.2d 156.

6. Disclosure statements of plaintiff's expert witness examined in claim filed under FELA; relaxed standard of proof of causation noted. Knowles v. Burlington Northern R.R. Co., 18 K.A.2d 608, 612, 856 P.2d 1352 (1993).

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