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| Criterion |  Innovation Lean Startup |  Operations Fishbone Diagram |  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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-60 min | 1-3 h |
Participantssame | 2-8 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Fishbone Diagram, Cause Categories, Investigation Backlog | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | LeanStartupValidationMVP | Root causeQualityOperations | Root causeTreeIncidentQuality |
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