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| Criterion |  Facilitation 3-Circle Venn Diagram |  Decision Making Assumption Surfacing |  Product Discovery Learning Card |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 15-45 min | 45-90 min | 25-40 min | 45-60 min |
Participantsdifferent | 2-8 | 2-8 | 1-5 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Venn Diagram, Overlap Notes, Differentiators | Assumption List, Critical Assumptions, Learning Plan | Learning Card with evidence and next action | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ComparisonFacilitationAlignment | AssumptionsRiskDecisionDiscovery | ExperimentsValidationDiscoveryLearning | AssumptionsRiskExperimentsValidation |