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| Criterion |  Innovation Lean Startup |  Delivery RAID Log |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 30 min Setup, dann laufend | 1-5 Tage | 25-40 min |
Participantsdifferent | 2-8 | 1-3 maintaining, briefing for everyone | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | RAID Log, Status Report Source | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | LeanStartupValidationMVP | RiskTrackingStakeholdersGovernance | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |