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| Criterion |  Innovation Lean Startup |  Innovation Design Sprint |  Product Discovery MVP Test Matrix |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. | 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 | High | Medium | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 4-5 Tage | 45-75 min | 1-5 Tage |
Participantsdifferent | 2-8 | 5-8 | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prototype, Test Findings, Decision Rationale | Test Matrix, Test Plan | Click Data, Interest Signal, Learning Decision |
Tags1 shared | LeanStartupValidationMVP | Design sprintPrototypeValidationInnovation | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandDiscovery |