expert evidence

Professional witness statements

Expert evidence is testimony or reports provided by someone with specialized knowledge in a field relevant to a legal case.

Unlike ordinary witnesses who describe what they saw, expert witnesses offer professional opinions—a forensic pathologist on cause of death, an economist on lost earnings, an engineer on structural failure.

The prosecution presented expert evidence that the fire was arson.

Related

standard of care · data analysis · forensic testimony · court testimony · chain of custody · witness · impartiality · cross-examination · peer review · anthropologist · toxicologist · DNA analysis · confidentiality · hypothesis testing · professional integrity · burden of proof · conflict of interest · judicial review

Opposites
source qualification

expert evidencecommon knowledge

Widely shared information

popular belief · folk wisdom · eyewitness testimony

evidential basis

expert evidenceeyewitness testimony

Evidence from direct observers

firsthand account · direct evidence · circumstantial evidence · documentary evidence

reliability/rigor

expert evidencehearsay

Unverified secondhand information

anecdotal evidence · speculation · rumor · conjecture · gossip

Family

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Familiarity
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