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| Criterion |  Innovation Design Sprint |  Innovation Lean Startup |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | 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. | 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 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 | High | Medium | Medium |
Timedifferent | 4-5 Tage | Wochen bis Monate je Lernzyklus | 1-5 Tage |
Participantsdifferent | 5-8 | 2-8 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Click Data, Interest Signal, Learning Decision |
Tags1 shared | Design sprintPrototypeValidationInnovation | LeanStartupValidationMVP | ValidationExperimentsDemandDiscovery |
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