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| Criterion |  Product Strategy Product Canvas |  Decision Making Assumption Surfacing |  Knowledge Modeling Knowledge Mapping |  Knowledge Modeling IBIS |
|---|---|---|---|---|
Purposedifferent | When product goal and feature scope don't yet fit cleanly together, it creates a shared working picture. It connects need, core features, and assumptions into a solid starting point. | 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. | Knowledge Mapping makes knowledge, gaps, and transfer paths visible across a field. It fits when expertise should not just exist but also be findable and transferable. | 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-2 h | 45-90 min | 1-3 h | 1-3 h |
Participantsdifferent | 2-8 | 2-8 | 3-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Assumption List, Critical Assumptions, Learning Plan | Knowledge Map, Critical Knowledge Areas, Transfer Plan | Issue Map, Positions, Argument Notes |
Tagsno overlap | CanvasDiscoveryScope | AssumptionsRiskDecisionDiscovery | KnowledgeMappingRisk | RationaleKnowledgeDecision |