Expert Witness Testimony

Louisiana Code of Evidence Art. 702

A witness who is qualified as an expert by knowledge, skill, experience, training, or education may testify in the form of an opinion if the following are true:

  1. The expert has scientific, technical, or other specialized knowledge that will help the trier of fact understand the evidence or to determine a fact in issue
  2. The testimony is based on sufficient facts or data,
  3. The testimony is the product of reliable principles and methods, and
  4. The expert has reliably applied the principles and methods to the facts of the case.

Expert evaluations and testimony by Dr. Brown

  • Honest, straightforward presentation of opinions and the data and reasoning on which they are based.
  • Powerful strategies to reduce and mitigate potential bias
  • Active consideration of alternate explanations and the known error rates associated with different tests and procedures. 
  • Informed by well established scientific and professional knowledge and recent empirical research
  • Reliance on objective data, scientific evidence, and probabilistic reasoning rather than unstructured clinical judgment
  • Nuanced understanding of methodology and psychological testing
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