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| Criterion |  Decision Making Radar |  Knowledge Modeling IBIS |  Architecture Architecture Decision Record |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | When capabilities, maturity levels, or market positions need to be compared across several dimensions, overview is easily lost. Radar brings different characteristics into a shared picture and shows patterns faster than tables do. | 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. | 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. | 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 | Low | Low |
Timedifferent | 1-2 h | 1-3 h | 15-45 min | 30-60 min |
Participantsdifferent | 2-10 | 2-8 | 1-3 | 2-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Radar Map, Capability Scores, Action Areas | Issue Map, Positions, Argument Notes | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | AssessmentPortfolioCapability | RationaleKnowledgeDecision | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment |