expert testimony

expert testimony
Opinion evidence of some person who possesses special skill or knowledge in some science, profession or business which is not common to the average man and which is possessed by the expert by reason of his special study or experience. Board of Ed. of Claymont Special School Dist. v. 13 Acres of Land in Brandywine Hundred, Del.Super., 11 Terry 387, 131 A.2d 180, 184.
Testimony given in relation to some scientific, technical, or professional matter by experts, i.e., persons qualified to speak authoritatively by reason of their special training, skill, or familiarity with the subject. Evidence of persons who are skilled in some art, science, profession, or business, which skill or knowledge is not common to their fellow men, and which has come to such experts by reason of special study and experience in such art, science, profession, or business. If scientific, technology, or other specialized knowledge will assist the trier of fact to understand the evidence or to determine a fact in issue, a witness qualified as an expert by knowledge, skill, experience, training, or education, may testify thereto in the form of an opinion or otherwise. Fed.Evid.R. 702, 703.
- opinion evidence or testimony

Black's law dictionary. . 1990.

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Look at other dictionaries:

  • expert testimony — n. Opinions about a subject offered by an expert in the field in order to help the jury understand specialized evidence in a case. The Essential Law Dictionary. Sphinx Publishing, An imprint of Sourcebooks, Inc. Amy Hackney Blackwell. 2008.… …   Law dictionary

  • expert testimony — Opinion evidence of some person who possesses special skill or knowledge in some science, profession or business which is not common to the average man and which is possessed by the expert by reason of his special study or experience. Board of Ed …   Black's law dictionary

  • expert testimony — The opinion of an expert witness; the testimony of persons who are particularly skilled, learned, or experienced in a particular art, science, trade, business, profession, or vocation a thorough knowledge of which is not possessed by men in… …   Ballentine's law dictionary

  • testimony — tes·ti·mo·ny / tes tə ˌmō nē/ n pl nies [Latin testimonium, from testis witness]: evidence furnished by a witness under oath or affirmation and either orally or in an affidavit or deposition former testimony: testimony that a witness gives at a… …   Law dictionary

  • expert witness — see witness Merriam Webster’s Dictionary of Law. Merriam Webster. 1996. expert witness n …   Law dictionary

  • expert — ex·pert n: a person with special or superior skill or knowledge in a particular area see also expert witness at witness Merriam Webster’s Dictionary of Law. Merriam Webster. 1996 …   Law dictionary

  • Expert witness — An expert witness is a witness, who by virtue of education, training, skill, or experience, is believed to have knowledge in a particular subject beyond that of the average person, sufficient that others may officially (and legally) rely upon the …   Wikipedia

  • testimony — Evidence given by a competent witness under oath or affirmation; as distinguished from evidence derived from writings, and other sources. Testimony is particular kind of evidence that comes to tribunal through live witnesses speaking under oath… …   Black's law dictionary

  • expert witness — One who by reason of education or specialized experience possesses superior knowledge respecting a subject about which persons having no particular training are incapable of forming an accurate opinion or deducing correct conclusions. Kim Mfg.,… …   Black's law dictionary

  • expert witness — One who by reason of education or specialized experience possesses superior knowledge respecting a subject about which persons having no particular training are incapable of forming an accurate opinion or deducing correct conclusions. Kim Mfg.,… …   Black's law dictionary

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