A case used in a such research.
Research performed in detail on a single individual, group, incident or community, as opposed to, for instance, a sample of the whole population.
Facts or observations presented in support of an assertion.
A body of objectively verifiable facts that are positively indicative of, and/or exclusively concordant with, that one conclusion over any other.
Anything admitted by a court to prove or disprove alleged matters of fact in a trial.
One who bears witness.
To provide evidence for, or suggest the truth of.