When the jury hears that he is concerned, this will score points with them. The expert will also find out whether they can see. Practice with videotape. The expert should see how he looks and determine where he needs to improve. Self-edit and speak succinctly.
Wise experts get to the point.
They assume that a juror s attention span is no more than 20 minutes. This time should not be squandered. The expert witness should not run the risk of obscuring the important testimony or losing the jury s attention. Understand the problems jurors have in assimilating a great deal of technical data when it is presented orally. Effective experts make their presentations visual.