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| Criterion |  Product Discovery Working Backwards |  Product Discovery Fake Door Test |  Product Discovery Riskiest Assumption Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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. | 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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 4-8 h, mehrere Iterationen | 1-5 Tage | 1-2 Wochen pro Iteration | 45-75 min |
Participantsdifferent | 2-6 | Nutzertraffic | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Click Data, Interest Signal, Learning Decision | Prioritized Assumption List, Test Plan, Results Report | Test Matrix, Test Plan |
Tagsno overlap | VisionNarrativeAlignment | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryAssumptions | ExperimentsValidationDiscoveryOptions |