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| Criterion |  Innovation Lean Startup |  Product Strategy RICE Scoring |  Product Discovery Smoke Test |  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 many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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 | Medium | Low | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 60-90 min | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 2-8 | 2-10 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | RICE Scores, Ranked List, Assumption Log | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | LeanStartupValidationMVP | PrioritizationScoringRoadmapTradeoffs | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |