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| Criterion |  Systems Thinking Future Reality Tree |  Architecture arc42 |  Decision Making DACI |  Decision Making RAPID |
|---|---|---|---|---|
Purposedifferent | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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. | 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. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | 2-4 h | 1-2 Tage | 30-60 min | 45-90 min |
Participantsdifferent | 3-8 | 1-4 | 2-10 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Architecture Document, Context View, Runtime View, Deployment View | DACI Matrix, Decision Owner, Decision Log | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | ArchitectureDocumentationCommunication | DecisionRolesGovernanceAlignment | DecisionRolesGovernance |