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| Criterion |  Product Discovery Smoke Test |  UX Research HEART Framework |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
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. | Helps clarify observations, needs, and patterns in concrete terms. It groups observations into patterns, questions, and decisions. The result is captured as a HEART-GSM table and dashboard. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 1-5 Tage | 120 min initial, dann laufend | 1-5 Tage | 25-40 min |
Participantsdifferent | Nutzertraffic | 3-6 | Nutzertraffic | 1-5 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | HEART-GSM Table, Dashboard | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | ValidationExperimentsDemandGrowth | MetricsUX researchMeasurementSatisfaction | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |