Argument-based decision support for risk analysis

The calculation of statistical expectation values is a most useful tool in risk analysis, but it is not a panacea. Valuable additional decision support can be obtained from argument-based tools, i.e. rigorous tools based on conceptual distinctions and logical reasoning. If the decision problem is not well defined, then argument-based tools can be used to analyse the uncertainties involved and provide a more well-reasoned presentation of the...