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| Criterion |  Innovation Design Thinking |  Decision Making DACI |  Architecture arc42 |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
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. | 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. | 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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | 1 Tag bis mehrere Wochen | 30-60 min | 1-2 Tage | 90-180 min |
Participantsdifferent | 4-10 | 2-10 | 1-4 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Prototype, Test Learnings | DACI Matrix, Decision Owner, Decision Log | Architecture Document, Context View, Runtime View, Deployment View | Decision Rights Matrix, Agreement |
Tagsno overlap | InnovationPrototypeResearch | DecisionRolesGovernanceAlignment | ArchitectureDocumentationCommunication | DecisionGovernanceAlignmentResponsibility |