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| Criterion |  Product Discovery Working Backwards |  Product Discovery Fake Door Test |  Product Discovery Learning Card |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | 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. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 4-8 h, mehrere Iterationen | 1-5 Tage | 25-40 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-6 | Nutzertraffic | 1-5 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | VisionNarrativeAlignment | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryAssumptions |