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| Criterion |  Product Discovery Smoke Test |  Growth Flywheel |  Product Discovery Fake Door Test |
|---|---|---|---|
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. | Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth. | 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 | Medium | Medium |
Timedifferent | 1-5 Tage | 60-120 min | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 3-8 | Nutzertraffic |
Formatdifferent | Async | Workshop | Async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ValidationExperimentsDemandGrowth | GrowthRetentionConversion | ValidationExperimentsDemandDiscovery |
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