Jury instructions regarding expert witnesses in New Hampshire are outlined in New Hampshire’s Civil Jury Instructions, rule 4.3. N.H. CIVIL JURY INSTR. 4.3 (2016). This rule instructs the jury that experts are permitted to testify as to their opinions in a case given their status as an expert. Id. The jury is told that it can wholly “reject an expert’s opinion” if it finds that the expert’s opinions were based on facts that were not similar to the facts in the case at hand. Id. Additionally, the jury can reject the expert’s testimony if the expert “lacks sufficient information to form a reliable opinion, or he/she lacks the qualifications to render a reliable opinion.” Id. Also, the jury should consider the expert’s opinions in light of all of the other testimony presented in the case. Id.
