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| Criterion |  Systems Thinking Soft Systems Methodology |  Systems Thinking VUCA Scan |  DevOps Blameless Postmortem |  DevOps Incident Timeline Analysis |
|---|---|---|---|---|
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. | The VUCA Scan helps read difficult situations more precisely. Instead of treating unclarity as generally complicated, the method separates fast change, missing knowledge, systemic entanglement, and ambiguous interpretation. | 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 an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | 0.5-3 Tage | 30-90 min | 30-90 min | 60-180 min |
Participantsdifferent | 5-15 | 1-10 | 3-12 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | VUCA Map, Response Options, Signal and Learning Plan | Postmortem Doc, Action Items, Timeline | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions |
Tagsno overlap | Soft systemsComplexitySensemakingSystems thinking | SensemakingUncertaintyComplexityStrategyForesight | Site Reliability EngineeringIncidentLearningReliability | IncidentTimelineSite Reliability Engineering |