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| Criterion |  Growth Flywheel |  Product Discovery Landing Page Test |  Product Discovery Learning Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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 a value proposition first needs to be checked for resonance, it condenses the idea onto a focused entry page. It shows whether language and offering carry interest. | 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 | Medium | Medium | Low | Medium |
Timedifferent | 60-120 min | 1-5 Tage | 25-40 min | 1-5 Tage |
Participantsdifferent | 3-8 | Nutzertraffic | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Async | Workshop + async | Async |
Outputdifferent | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Landing Page, Conversion Data, Learning Summary | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | GrowthRetentionConversion | ValidationConversionMarketing | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |