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| Criterion |  Decision Making RAPID |  Knowledge Modeling IBIS |  Decision Making Decision Rights Mapping |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 45-90 min | 1-3 h | 90-180 min | 15-45 min |
Participantsdifferent | 3-12 | 2-8 | 4-12 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | Issue Map, Positions, Argument Notes | Decision Rights Matrix, Agreement | ADR File, Decision Log, Rationale |
Tagsno overlap | DecisionRolesGovernance | RationaleKnowledgeDecision | DecisionGovernanceAlignmentResponsibility | ArchitectureRationaleDocumentationGovernance |