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| Criterion |  Agile Scrum |  Agile ROAM Board |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When a team needs to work in a fixed delivery rhythm, it stabilizes cadence, responsibility, and feedback loops. It makes collaboration reliable across sprint boundaries. | When work needs to move between different states or columns, it makes that movement and its handoffs legible. It sorts work by value, risk, and delivery ability. The result is captured as a ROAM Board and an Owner List. | 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 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 | Low | Medium |
Timedifferent | 1-4 Wochen je Sprint, laufend | 20-40 min initial, dann laufend | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 3-10 (Scrum Team) | 3-15 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Product Backlog, Sprint Backlog, Increment, Sprint Goal | ROAM Board, Owner List | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AgileIterationCadence | RiskAgileTrackingAlignment | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |