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| Criterion |  Innovation Lean Startup |  Innovation Design Sprint |  Product Discovery Fake Door Test |  Product Discovery Pretotyping |
|---|---|---|---|---|
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 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. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 4-5 Tage | 1-5 Tage | Stunden bis wenige Tage |
Participantsdifferent | 2-8 | 5-8 | Nutzertraffic | 1-4 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prototype, Test Findings, Decision Rationale | Click Data, Interest Signal, Learning Decision | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision |
Tags1 shared | LeanStartupValidationMVP | Design sprintPrototypeValidationInnovation | ValidationExperimentsDemandDiscovery | ValidationDemandMVP |