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| Criterion |  Product Discovery Smoke Test |  Operations A3 Problem Solving |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 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 | Low | Medium | Medium | Medium |
Timedifferent | 1-5 Tage | 45-90 min | 1-5 Tage | 45-75 min |
Participantsdifferent | Nutzertraffic | 2-5 | Nutzertraffic | 2-8 |
Formatdifferent | Async | Workshop + async | Async | Workshop |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | A3 Report, Action Plan, Root Cause Analysis | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | ValidationExperimentsDemandGrowth | LeanProblem solvingCoachingOperations | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |