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| Criterion | ![]() Product Discovery Dual-Track Agile | ![]() Product Discovery Fake Door Test | ![]() Product Discovery Smoke Test | ![]() Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | When uncertainty and delivery run in parallel, it separates learning work from implementation while keeping both connected. It prevents unvalidated ideas from falling directly into the delivery stream. | 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 demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | Laufend, Wochen bis Monate | 1-5 Tage | 1-5 Tage | 45-75 min |
Participantsdifferent | 4-10 | Nutzertraffic | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Async | Async | Workshop |
Outputdifferent | Discovery Backlog, Delivery Backlog, Experiment-Ergebnisse, Validierte Stories | Click Data, Interest Signal, Learning Decision | Interest Metrics, Conversion Signal, Learning Note | Test Matrix, Test Plan |
Tagsno overlap | AgileDiscoveryDelivery | ValidationExperimentsDemandDiscovery | ValidationExperimentsDemandGrowth | ExperimentsValidationDiscoveryOptions |



