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| Criterion |  Product Strategy Product Canvas |  Knowledge Modeling IBIS |  Knowledge Modeling Concept Mapping |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | 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. | Concept Mapping arranges terms and relationships in a network that makes subject-matter connections tangible. It fits when a topic needs to be understood structurally rather than linearly. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-2 h | 1-3 h | 1-2 h | 45-90 min |
Participantsdifferent | 2-8 | 2-8 | 1-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Issue Map, Positions, Argument Notes | Concept Map, Relationship Labels, Knowledge Gaps | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | CanvasDiscoveryScope | RationaleKnowledgeDecision | KnowledgeConceptsMappingSensemaking | AssumptionsRiskDecisionDiscovery |