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| Criterion |  Product Discovery Working Backwards |  Growth Flywheel |  Product Discovery Test Card |  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. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | 4-8 h, mehrere Iterationen | 60-120 min | 20-35 min | 1-5 Tage |
Participantsdifferent | 2-6 | 3-8 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | VisionNarrativeAlignment | GrowthRetentionConversion | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |