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| Criterion |  Innovation Lean Startup |  Product Strategy Impact Mapping |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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. | When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 45-90 min | 1-5 Tage | 45-75 min |
Participantsdifferent | 2-8 | 3-8 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Impact Map, Outcome Hypotheses, Delivery Options | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | LeanStartupValidationMVP | OutcomesStrategyBehaviorPlanning | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |