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| Criterion |  Product Discovery Working Backwards |  Facilitation Power Interest Grid |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | 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 only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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 | Medium | Low | Low | Medium |
Timedifferent | 4-8 h, mehrere Iterationen | 30-60 min | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 2-6 | 2-8 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async | Async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Power Interest Grid, Strategy per Stakeholder | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | VisionNarrativeAlignment | StakeholdersFacilitationAlignmentPlanning | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |