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| Criterion |  Systems Thinking Soft Systems Methodology |  Operations Causal Factor Analysis |  DevOps Incident Command |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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. |
Complexitydifferent | High | High | Medium | Low |
Timedifferent | 0.5-3 Tage | 2-6 h | As needed | 15-30 min |
Participantsdifferent | 5-15 | 3-10 | 4-15 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Incident Log, Action Tracker, Stakeholder Updates | Root cause notes, Countermeasures |
Tagsno overlap | Soft systemsComplexitySensemakingSystems thinking | CausalityIncidentRoot causeTimeline | IncidentOperationsReliability | Root causeIncidentLeanProblem solving |