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| Criterion |  Decision Making Delphi Method |  Decision Making DACI |  Architecture Request for Comments |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | 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 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 | Medium | Medium |
Timedifferent | 1-4 Wochen | 30-60 min | 1-3 Wochen vom Draft bis zur Entscheidung | 90-180 min |
Participantsdifferent | 6-30 Experten | 2-10 | 3-20 Reviewer | 4-12 |
Formatdifferent | Async | Workshop + async | Async | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | DACI Matrix, Decision Owner, Decision Log | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Rights Matrix, Agreement |
Tags1 shared | ForecastingExpertsDecisionStrategy | DecisionRolesGovernanceAlignment | ArchitectureDecisionAsyncGovernance | DecisionGovernanceAlignmentResponsibility |