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| Criterion |  Product Discovery Test Card |  Growth Hooked Model |  Product Discovery Fake Door Test |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Hooked Model helps clarify engagement loops, user behavior, and experiments. It makes repeat behavior measurable and captures the result as a hooked loop, trigger map, and reward design. | 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 20-35 min | Multiple workshops over several weeks | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 1-5 | 2-8 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Test Card with a pre-set threshold | Hooked loop, Trigger map, Reward design, Ethics check | Click Data, Interest Signal, Learning Decision | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | GrowthBehaviorRetention | ValidationExperimentsDemandDiscovery | ValidationExperimentsDemandGrowth |