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| Criterion |  Operations 5 Whys |  Operations MORT Analysis |  Innovation Lean Startup |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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 a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | 15-30 min | Mehrere Tage bis Wochen | Wochen bis Monate je Lernzyklus | 2-4 h |
Participantsdifferent | 2-6 | 2-6 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Root causeIncidentLeanProblem solving | Root causeSafetySystemicIncident | LeanStartupValidationMVP | Root causeSafetyIncident |