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| Criterion |  DevOps Blameless Postmortem |  Systems Thinking Soft Systems Methodology |  Operations MORT Analysis |  Operations Causal Factor Analysis |
|---|---|---|---|---|
Purposedifferent | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | Soft Systems Methodology helps explore unclear or politically charged problems systematically. Instead of forcing a quick answer, the method builds a shared understanding of perspectives and room for action. | 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 an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitydifferent | Medium | High | High | High |
Timedifferent | 30-90 min | 0.5-3 Tage | Mehrere Tage bis Wochen | 2-6 h |
Participantsdifferent | 3-12 | 5-15 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Soft systemsComplexitySensemakingSystems thinking | Root causeSafetySystemicIncident | CausalityIncidentRoot causeTimeline |