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| Criterion |  Architecture Risk Storming |  Knowledge Modeling IBIS |  Architecture Architecture Decision Record |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 60-90 min | 1-3 h | 15-45 min | 45-60 min |
Participantsdifferent | 4-12 | 2-8 | 1-3 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Annotated Diagram, Prioritized Risk List, Action Backlog | Issue Map, Positions, Argument Notes | ADR File, Decision Log, Rationale | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RiskArchitectureWorkshopValidation | RationaleKnowledgeDecision | ArchitectureRationaleDocumentationGovernance | AssumptionsRiskExperimentsValidation |