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| Criterion |  Knowledge Modeling IBIS |  Decision Making Decision Framing Workshop |  Architecture Architecture Decision Record |  Decision Making Trade-off Analysis |
|---|---|---|---|---|
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. | When a decision is poorly framed, even good answers deliver little value. A Decision Framing Workshop sharpens the problem, goal, and boundaries before the actual weighing begins. | 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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-3 h | 60-120 min | 15-45 min | 45-120 min |
Participantsdifferent | 2-8 | 4-10 | 1-3 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Decision Frame, Decision Question, Criteria List, Evidence Plan | ADR File, Decision Log, Rationale | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tagsno overlap | RationaleKnowledgeDecision | Decision framingAlignmentCriteriaOptions | ArchitectureRationaleDocumentationGovernance | TradeoffsDecisionCriteriaOptions |