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| Criterion |  Systems Thinking Soft Systems Methodology |  DevOps Blameless Postmortem |  Operations A3 Problem Solving |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | 0.5-3 Tage | 30-90 min | 45-90 min | 20-45 min |
Participantsdifferent | 5-15 | 3-12 | 2-5 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | Postmortem Doc, Action Items, Timeline | A3 Report, Action Plan, Root Cause Analysis | Lessons learned, Action items, Event summary |
Tagsno overlap | Soft systemsComplexitySensemakingSystems thinking | Site Reliability EngineeringIncidentLearningReliability | LeanProblem solvingCoachingOperations | LearningOperationsImprovement |