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| Criterion |  Innovation Lean Startup |  Operations Ivy Lee Method |  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. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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 | Low | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 5-10 min daily | 1-5 Tage |
Participantsdifferent | 2-8 | 1 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Daily Priority List, Completion Notes | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | LeanStartupValidationMVP | PrioritizationProductivityExecution | ValidationExperimentsDemandDiscovery |
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