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| Criterion |  Innovation Lean Startup |  Operations Barrier Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|
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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 2-4 h | 1-3 h |
Participantsdifferent | 2-8 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | LeanStartupValidationMVP | Root causeSafetyIncident | Root causeTreeIncidentQuality |
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