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| Criterion |  Operations Fault Tree Analysis |  Agile Specification by Example |  Operations MORT Analysis |
|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. |
Complexitydifferent | High | Medium | High |
Timedifferent | 2-6 h | 60-90 min pro Feature | Mehrere Tage bis Wochen |
Participantsdifferent | 3-8 | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Example Table, Acceptance Tests | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | RiskRoot causeSafety | AgileRequirementsExamplesBehavior-Driven Development | Root causeSafetySystemicIncident |
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