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| Criterion |  Systems Thinking Soft Systems Methodology |  Systems Thinking VUCA Scan |  Operations Barrier Analysis |  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. | 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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 | Low | Medium | Low |
Timedifferent | 0.5-3 Tage | 30-90 min | 2-4 h | 15-30 min |
Participantsdifferent | 5-15 | 1-10 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | VUCA Map, Response Options, Signal and Learning Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Root cause notes, Countermeasures |
Tagsno overlap | Soft systemsComplexitySensemakingSystems thinking | SensemakingUncertaintyComplexityStrategyForesight | Root causeSafetyIncident | Root causeIncidentLeanProblem solving |