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| Criterion |  Decision Making RAPID |  Innovation Lean Startup |  Architecture arc42 |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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 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 | Medium | Medium | Low | Low |
Timedifferent | 45-90 min | Wochen bis Monate je Lernzyklus | 1-2 Tage | 30-60 min |
Participantsdifferent | 3-12 | 2-8 | 1-4 | 2-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Architecture Document, Context View, Runtime View, Deployment View | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | DecisionRolesGovernance | LeanStartupValidationMVP | ArchitectureDocumentationCommunication | DecisionRolesGovernanceAlignment |