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| Criterion |  Decision Making Delphi Method |  Architecture C4 Model |  Decision Making DACI |  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. | 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. | 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 | 1-4 Wochen | 1-4 h | 30-60 min | 90-180 min |
Participantsdifferent | 6-30 Experten | 1-5 | 2-10 | 4-12 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Context Diagram, Container Diagram, Component Diagram | DACI Matrix, Decision Owner, Decision Log | Decision Rights Matrix, Agreement |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ArchitectureCommunicationVisualization | DecisionRolesGovernanceAlignment | DecisionGovernanceAlignmentResponsibility |