An expert witness, professional witness or judicial expert is a witness, who by virtue of education, training, skill, or experience, is believed to have expertise and specialised knowledge in a particular subject beyond that of the average person, sufficient that others may officially and legally rely upon the witness's specialized (scientific, technical or other) opinion about an evidence or fact issue within the scope of his expertise, referred to as the expert opinion, as an assistance to the fact-finder. Expert witnesses may also deliver expert evidence about facts from the domain of their expertise. At times, their testimony may be rebutted with a learned treatise, sometimes to the detriment of their reputations.
In Scots Law, Davie v Magistrates of Edinburgh (1953) provides authority that where a witness has particular knowledge or skills in an area being examined by the court, and has been called to court in order to elaborate on that area for the benefit of the court, that witness may give evidence of his opinion on that area.
Read more about Expert Witness: Experts in The Real World, History, Non-testifying Experts, Testifying Experts
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... Mark Twain defined an expert as "an ordinary fellow from another town" ... Will Rogers described an expert as "A man fifty miles from home with a briefcase." Danish scientist and Nobel laureate Niels Bohr defined an expert as "A person that has made every ...
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Famous quotes containing the words witness and/or expert:
“No matter what our achievements might be, we think well of ourselves only in rare moments. We need people to bear witness against our inner judge, who keeps book on our shortcomings and transgressions. We need people to convince us that we are not as bad as we think we are.”
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