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| Criterion |  Product Discovery Fake Door Test |  Product Discovery Learning Card |  Product Strategy GIST Planning |  Product Discovery Opportunity Solution Tree |
|---|---|---|---|---|
Purposedifferent | 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. | 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 discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-5 Tage | 25-40 min | Wochen bis Monate je Goal | 1-2 h Setup, laufend |
Participantsdifferent | Nutzertraffic | 1-5 | 3-10 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action | Goals, Idea bank, Step-project list, Tasks, Learning reports | Opportunity Solution Tree, Experiment Backlog, Learning Log |
Tags1 shared | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning | RoadmapOutcomesPlanningExperiments | DiscoveryOutcomesExperimentsOpportunity |