effectiveness

effectiveness

1. A measure of the accuracy or success of a diagnostic or therapeutic technique when carried out in an average clinical environment; Cf. efficacy. 2. The extent to which a treatment achieves its intended purpose.
relative biological effectiveness A factor used to compare the biological effectiveness of absorbed radiation doses due to different types and energies of ionizing radiation. It is determined by the ratio of an absorbed dose of the particular radiation in question to the absorbed dose of a reference radiation required to produce an identical biological effect in a specific organism, organ, or tissue.

 

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