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| Criterion |  Architecture arc42 |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 1-5 Tage | 45-75 min | 1-5 Tage |
Participantsdifferent | 1-4 | Nutzertraffic | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | ArchitectureDocumentationCommunication | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandGrowth |