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| Criterion |  Product Discovery Smoke Test |  Product Strategy GIST Planning |  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. | GIST Planning helps clarify target groups, value, goals, and priorities. It links customer value, product logic, and decision priorities, and captures the result as goals, an idea bank, and a step-project 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. | 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 | Wochen bis Monate je Goal | 1-5 Tage | 25-40 min |
Participantsdifferent | Nutzertraffic | 3-10 | Nutzertraffic | 1-5 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Goals, Idea bank, Step-project list, Tasks, Learning reports | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tags1 shared | ValidationExperimentsDemandGrowth | RoadmapOutcomesPlanningExperiments | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |