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Law 101: Legal Guide for the Forensic Expert

Value of Expert Witness Post-Testimony Self-Evaluation

Value of Expert Witness Post-Testimony Self-Evaluation
National Institute of Justice (NIJ) (see reuse policy).

To improve effectiveness, the expert can review and evaluate testimony after presenting it. The following list can also provide helpful reminders in advance as the expert prepares to testify. Criteria to review before and after testimony that can enhance self-improvement may include:

  • The subject of the expert's testimony.
  • The quality of the expert's investigation.
  • The quality of the expert's written report.
  • Overall integrity and candor.
  • Demeanor as a witness.
  • Preparation for trial and deposition testimony.
  • Overall credibility.
  • Effective cross-examination of the expert's credentials or work product.
  • Was the expert able to "teach" effectively?
  • Did the expert follow a standard investigative protocol?
  • Was the expert cooperative with sponsoring counsel?
  • Did the expert appear to be a "professional witness"?
  • Was the expert able to access a database of prior writings/testimony?
  • Was the expert confronted with prior writing or testimony that was inconsistent with that of the case at hand?
  • Generally describe the expert's dress, appearance or any distracting mannerisms

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