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| Criterion |  Product Discovery Concierge MVP |  Architecture Architecture Decision Record |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | 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 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 |
Timedifferent | 1-4 Wochen | 15-45 min | 1-5 Tage |
Participantsdifferent | 3-10 Kunden | 1-3 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Concierge Learnings, Service Blueprint, MVP Risks | ADR File, Decision Log, Rationale | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | MVPValidationServiceDiscovery | ArchitectureRationaleDocumentationGovernance | ValidationExperimentsDemandDiscovery |
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