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| Criterion |  Innovation Lean Startup |  Innovation Design Thinking |  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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 1 Tag bis mehrere Wochen | 1-5 Tage | 45-75 min |
Participantsdifferent | 2-8 | 4-10 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Problem Statement, Prototype, Test Learnings | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | LeanStartupValidationMVP | InnovationPrototypeResearch | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |