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Chapter 6
Risk Acceptability
Analysis Based on
Quantitative Psychology
of Intuitive Judgments
6.1 Introduction
Risk acceptability based on quantitative psychology of intuitive judgments is nec-
essary in homeland and critical infrastructure protection against terrorism and
disaster. It is involved with the measurement of the degree of risk that can be
accepted by stakeholders and society for given risk events. Risk acceptability can
be understood by asking these questions: How safe is safe enough? Which levels
of risk are acceptable? How to maintain intuitive judgments in determination of
acceptable risks? What specic risk situations are pe ...