judgment sample


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judgment sample

A research cohort whose members are chosen because they share a common set of qualities. Because of the selection criteria used in assembling the group, the judgment sample is not random, and the conclusions drawn from research on such a sample do not have broad applicability to the larger community.
See also: sample
References in periodicals archive ?
Judgment samples potentially carry more weight, and a Bayesian prior is applied that factors in existing, but not sufficient, evidence that the area may be clean.
However, judgment samples cannot be defended by mathematical theory, not because the conclusions that are reached are wrong but because there is no way of objectively determining if they are right or wrong.