Rule 703. ?Bases ofan Expert?s Opinion Testimony.
An expertmay base an opinion on facts or data in the case that the expert has been madeaware of or personally observed. If experts in the particular field wouldreasonably rely on those kinds of facts or data in forming an opinion on thesubject, they need not be admissible for the opinion to be admitted. But if thefacts or data would otherwise be inadmissible, the proponent of the opinion maydisclose them to the jury only if their probative value in helping the juryevaluate the opinion substantially outweighs their prejudicial effect.
EffectiveNovember 1, 2009
2011 Advisory Committee Note.
Original Advisory Committee Note.