When finding whether a research project is moral, researchers and the institutional review board consider the risk and benefit ratio as part of the mandate to protect participants from harm.
What is benefit cost ratio?
Benefit cost ratio is the indicator that show the reaction between the relative cost and the befits after the cost in the monetary terms. If the projected cost is more than the benefit cost, than it is considered as the negative benefit cost ratio.
Thus, it is risk and benefit ratio
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