Remove Expert Testimony Remove Precedent Remove Witnesses
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Is The Opinion “Lay” or “Expert?” — The Superior Court Has An Opinion (Maybe A Wrong One)

Temple University Beasley School of Law - Advocacy

Lay opinion testimony is tolerated because, frankly, it is hard to find the line between fact and opinion (“she is tall,” “they appeared drunk,” “the car was way over the speed limit”) and because lay witnesses should be comfortable speaking in normal, conversational, easily-understood terms. The line is ill-defined. Jones, 663 Pa.