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| Criterion |  Decision Making Assumption Surfacing |  Growth Funnel Analysis |  Product Discovery Test Card |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | 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. | When many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 45-90 min | 1-3 h | 20-35 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-8 | 1-5 | 1-5 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Funnel report, Drop-off analysis, Optimization hypotheses | Test Card with a pre-set threshold | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | AnalyticsConversionGrowth | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryAssumptions |