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| Criterion |  Innovation Design Thinking |  Architecture C4 Model |  Decision Making DACI |
|---|---|---|---|
Purposedifferent | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | High | Low | Low |
Timedifferent | 1 Tag bis mehrere Wochen | 1-4 h | 30-60 min |
Participantsdifferent | 4-10 | 1-5 | 2-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Context Diagram, Container Diagram, Component Diagram | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | InnovationPrototypeResearch | ArchitectureCommunicationVisualization | DecisionRolesGovernanceAlignment |
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