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| Criterion |  Product Discovery Smoke Test |  Facilitation Power Interest Grid |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | When many stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 1-5 Tage | 30-60 min | 1-5 Tage | 25-40 min |
Participantsdifferent | Nutzertraffic | 2-8 | Nutzertraffic | 1-5 |
Formatdifferent | Async | Workshop | Async | Workshop + async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Power Interest Grid, Strategy per Stakeholder | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | ValidationExperimentsDemandGrowth | StakeholdersFacilitationAlignmentPlanning | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |