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| Criterion |  Knowledge Modeling IBIS |  Decision Making Impact Filter |  Architecture Architecture Decision Record |
|---|---|---|---|
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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 h | 20-45 min | 15-45 min |
Participantsdifferent | 2-8 | 1-6 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Issue Map, Positions, Argument Notes | Impact Filter, Success Criteria, Next Step | ADR File, Decision Log, Rationale |
Tagsno overlap | RationaleKnowledgeDecision | ImpactOutcomesFramingDecision | ArchitectureRationaleDocumentationGovernance |
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