Risk-informed decision-making processes: an overview

Risk analysis
Enrico Zio and Nicola Pedroni
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The authors introduce the general concepts, definitions and issues related to the use of Risk-informed decision-making (RIDM). These are structured processes which assist decision-makers when faced with high impact, complex decisions involving multiple objectives and the presence of uncertainty. They aim to ensure that decisions between competing alternatives are taken with an awareness of the risks associated with each option, and that all attributes of a decision are considered in an integrated manner. Motivations for the use of these techniques as a complement to more traditional deterministic approaches to risk assessment are provided.

The RIDM processes adopted by NASA and by the US Nuclear Regulatory Commission are described in detail, with an analysis of commonalities and differences in approach.

Published under Creative Commons licence. See conditions for reproduction.

Risk-informeddecision-making processes: an overview Risk-informeddecision-making processes: an overview