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| Criterion |  Systems Thinking Soft Systems Methodology |  Operations Fishbone Diagram |  Operations 5 Whys |  Operations A3 Problem Solving |
|---|---|---|---|---|
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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. | 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. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | 0.5-3 Tage | 30-60 min | 15-30 min | 45-90 min |
Participantsdifferent | 5-15 | 2-8 | 2-6 | 2-5 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | Fishbone Diagram, Cause Categories, Investigation Backlog | Root cause notes, Countermeasures | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | Soft systemsComplexitySensemakingSystems thinking | Root causeQualityOperations | Root causeIncidentLeanProblem solving | LeanProblem solvingCoachingOperations |