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| Criterion |  Facilitation 3-Circle Venn Diagram |  Product Discovery Riskiest Assumption Test |  Product Discovery Fake Door Test |
|---|---|---|---|
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. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-45 min | 1-2 Wochen pro Iteration | 1-5 Tage |
Participantsdifferent | 2-8 | 2-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Venn Diagram, Overlap Notes, Differentiators | Prioritized Assumption List, Test Plan, Results Report | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ComparisonFacilitationAlignment | ExperimentsValidationDiscoveryAssumptions | ValidationExperimentsDemandDiscovery |
Often compared together
Methods with strong topical overlap with the current selection, not yet in the comparison.
