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| Criterion |  Systems Thinking Soft Systems Methodology |  Knowledge Modeling IBIS |  Architecture arc42 |
|---|---|---|---|
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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 0.5-3 Tage | 1-3 h | 1-2 Tage |
Participantsdifferent | 5-15 | 2-8 | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | Issue Map, Positions, Argument Notes | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | Soft systemsComplexitySensemakingSystems thinking | RationaleKnowledgeDecision | ArchitectureDocumentationCommunication |
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