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| Criterion |  Knowledge Modeling IBIS |  Decision Making Assumption Surfacing |  Domain Modeling Bounded Context Canvas |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | When a business context is still loosely outlined, it shapes language, responsibility, and integration space. It clarifies what belongs together and where a boundary needs to hold. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-3 h | 45-90 min | 1-3 h | 45-60 min |
Participantsdifferent | 2-8 | 2-8 | 3-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Assumption List, Critical Assumptions, Learning Plan | Context Canvas, Glossary, Integration Notes | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RationaleKnowledgeDecision | AssumptionsRiskDecisionDiscovery | Domain-Driven DesignBoundariesModeling | AssumptionsRiskExperimentsValidation |