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| Criterion |  Product Discovery Learning Card |  Product Strategy ICE Scoring |  Product Discovery Fake Door Test |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | 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 | Low | Medium | Low |
Timedifferent | 25-40 min | 30-60 min | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 1-5 | 2-8 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Learning Card with evidence and next action | ICE Table, Top Idea List | Click Data, Interest Signal, Learning Decision | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | ExperimentsValidationDiscoveryLearning | PrioritizationScoringGrowthDecision | ValidationExperimentsDemandDiscovery | ValidationExperimentsDemandGrowth |