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| Criterion |  Innovation Lean Startup |  Product Discovery Smoke Test |  Operations 8D Problem Solving |
|---|---|---|---|
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 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | Low | High |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-5 Tage | 1-6 Wochen |
Participantsdifferent | 2-8 | Nutzertraffic | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Interest Metrics, Conversion Signal, Learning Note | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | LeanStartupValidationMVP | ValidationExperimentsDemandGrowth | QualityProblem solvingRoot cause |
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