What is required for an expert opinion to be deemed helpful to the trier of fact?

For an expert opinion to be deemed helpful to the trier of fact, it is essential that it clarifies complex issues. This requirement serves a critical purpose: the legal system often deals with complicated subjects that may not be easily understood by those without specialized knowledge. An expert's opinion is valuable because it can break down these intricate matters, providing the trier of fact—whether that is a judge or jury—with a clearer understanding necessary to make informed decisions.

This principle aligns with the purpose of expert testimony in court, which is to assist in understanding evidence that is beyond the average person’s comprehension. Therefore, if an expert can effectively explain complex scientific, technical, or specialized information, their opinion is likely to be considered helpful and admissible in legal proceedings.