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| Criterion |  Decision Making Assumption Surfacing |  Facilitation Dot Estimation |  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. | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | 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 | 5-20 min | 25-40 min | 1-5 Tage |
Participantsdifferent | 2-8 | 3-20 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Effort Heatmap, Risk Signals, Discussion Targets | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | EstimationEffortRisk | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |