In My Favorite Top 10 Strategies and Tactics Used by Expert Witnesses in Deposition and Trial Testimony, computers expert witness Judd Robbins writes:
Expert Witness Tactic #4: If you are the expert for the plaintiff, consider all the possibilities. Prepare to explain why you may have chosen one or only a subset of the possibilities as the basis for your opinion.
Expert Witness Tactic #5: Listen. Listen. Listen … to exactly what an attorney asks you. If you do not hear the question fully, or if you do not understand the question completely, how can you possibly answer it effectively and correctly?