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| Criterion |  Architecture Views and Beyond |  Operations MORT Analysis |  Operations 5 Whys |  Operations Family Tree Analysis |
|---|---|---|---|---|
Purposedifferent | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 1-3 Tage | Mehrere Tage bis Wochen | 15-30 min | 2-4 h |
Participantsdifferent | 1-4 | 2-6 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Architecture Views, Cross-view Notes, Rationale | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Root cause notes, Countermeasures | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tagsno overlap | DocumentationStakeholdersArchitecture | Root causeSafetySystemicIncident | Root causeIncidentLeanProblem solving | Root causePatternsIncidentSystemic |