Software Engineering
Interactive System Design
Blending Descriptive and Numeric Analysis in Human Reliability Design
DSV-IS '02 Proceedings of the 9th International Workshop on Interactive Systems. Design, Specification, and Verification
Research methods in computing: what are they, and how should we teach them?
ITiCSE-WGR '06 Working group reports on ITiCSE on Innovation and technology in computer science education
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It is typical for cycles of iteration to be used to refine the current state of the design of a system so that it more closely meets its requirements. Such refinements are in terms of the original requirements specification and any new requirements that have been identified during this process. However, not all defined requirements are equally essential, particularly in high consequence systems where there are issues of dependability. Although descriptive methods for scenario analysis can be used to highlight new requirements, it can be difficult to evaluate the impact of these new requirements.In this paper, we exemplify this problem and investigate how numeric methods can be used to highlight the impact of consequences identified by descriptive scenario analysis. An example from the context of human reliability analysis is presented and dependability issues for system design are considered.