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| Criterion |  Decision Making RAPID |  Innovation Lean Startup |  Architecture Request for Comments |  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. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | 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 | Medium | Low |
Timedifferent | 45-90 min | Wochen bis Monate je Lernzyklus | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min |
Participantsdifferent | 3-12 | 2-8 | 3-20 Reviewer | 2-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | DecisionRolesGovernance | LeanStartupValidationMVP | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernanceAlignment |