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| Criterion |  Decision Making Assumption Surfacing |  Decision Making Pre-Mortem |  Product Discovery Learning Card |  Product Discovery Fake Door 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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 | Low | Low | Medium |
Timedifferent | 45-90 min | 20–45 min | 25-40 min | 1-5 Tage |
Participantsdifferent | 2-8 | Small cross-functional group | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Risk list, Mitigation plan, Assumption log | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | RiskDecisionFailurePlanning | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |