Bill Kanasky, Jr., Ph.D. talks about the role and impact of expert witnesses in medical malpractice litigation. Bill shares that typically expert witness testimony doesn't get you very far in med mal cases in terms of juror decision-making. This is due to the fact that the expert witness is unable to directly evaluate the patient unlike expert witnesses who can, for example, evaluate defective parts in a product liability case. Expert witnesses in medical malpractice cases can help with case evaluation and help with preparing the case, but their testimony does not influence juror decision-making. One area where an expert witness can make an impact is with the visual presentation of the case and their ability to teach. The most important influence over juror decision-making will be the testimony and performance of the fact witnesses in your case.