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| Criterion |  Innovation Brainwriting |  Knowledge Modeling IBIS |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-30 min | 1-3 h | 45-60 min |
Participantsdifferent | 3-12 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Issue Map, Positions, Argument Notes | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | RationaleKnowledgeDecision | AssumptionsRiskExperimentsValidation |
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