Which of the following is NOT a requirement for expert testimony?

In evaluating the requirements for expert testimony, it is essential to understand the role and qualifications needed for an expert witness to provide valuable insights to the court. The primary basis for expert testimony is that it must involve an expert who can provide specialized knowledge that aids the trier of fact.

One of the foundational requirements for expert testimony is that the expert must demonstrate a reliable application of principles and methods, meaning their testimony is grounded in scientifically accepted techniques and they should be able to explain their methodology clearly. This ensures that the testimony is both credible and applicable to the case at hand.

Moreover, the testimony must be helpful to the trier of fact, which refers to the jury or judge determining the facts of the case. The expert must present information that assists the court in understanding complex issues that fall outside the general knowledge of an average juror.

A proper factual basis for testimony is also crucial, as experts must base their opinions on sufficient, corroborating evidence that supports their conclusions, ensuring their reliability and relevance.

In contrast, having a general knowledge of the subject matter is not a specific requirement for providing expert testimony. While experts should certainly possess a deep understanding of their area of expertise, the critical factor is their ability to apply specialized methods reliably and to deliver