1 definition found for this term.
Definitions are presented in the order source books were published (most recent first).


The proportion of true positive results (both negative and positive) in the tested group, i.e., (true positives + true negatives) divided by total number of tests. A test may be sensitive and specific but still not accurate. Accuracy means how close the measurement is to a known value — think of a target with shots all around the bull’s-eye as accurate but not necessarily precise.

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