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| Criterion |  Product Discovery Landing Page Test |  Architecture Architecture Decision Record |  Product Discovery Riskiest Assumption Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When a value proposition first needs to be checked for resonance, it condenses the idea onto a focused entry page. It shows whether language and offering carry interest. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-5 Tage | 15-45 min | 1-2 Wochen pro Iteration | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 1-3 | 2-6 | Nutzertraffic |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Landing Page, Conversion Data, Learning Summary | ADR File, Decision Log, Rationale | Prioritized Assumption List, Test Plan, Results Report | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ValidationConversionMarketing | ArchitectureRationaleDocumentationGovernance | ExperimentsValidationDiscoveryAssumptions | ValidationExperimentsDemandDiscovery |