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| Criterion |  Operations Root Cause Tree Analysis |  Operations 5 Whys |  Innovation Lean Startup |
|---|---|---|---|
Purposedifferent | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-3 h | 15-30 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 2-8 | 2-6 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Root cause notes, Countermeasures | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | Root causeTreeIncidentQuality | Root causeIncidentLeanProblem solving | LeanStartupValidationMVP |
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