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| Criterion |  Product Discovery Smoke Test |  Innovation Lean Startup |  Operations Root Cause Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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 a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 1-5 Tage | Wochen bis Monate je Lernzyklus | 1-4 h |
Participantsdifferent | Nutzertraffic | 2-8 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ValidationExperimentsDemandGrowth | LeanStartupValidationMVP | Root causeProblem solvingQualityIncident |
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