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| Criterion |  Knowledge Modeling IBIS |  Decision Making Impact Filter |  Architecture Architecture Decision Record |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | 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. | With new ideas or requests, the conversation often turns to solutions too early and to effect too little. An Impact Filter forces the initiative into an effect perspective and checks whether it creates a relevant difference. | 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 | Low | Low | Low |
Timedifferent | 1-3 h | 20-45 min | 15-45 min | 30-60 min |
Participantsdifferent | 2-8 | 1-6 | 1-3 | 2-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Impact Filter, Success Criteria, Next Step | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | RationaleKnowledgeDecision | ImpactOutcomesFramingDecision | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment |