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| Criterion |  Operations 5 Whys |  Operations MORT Analysis |  Innovation Brainstorming |
|---|---|---|---|
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. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | Low | High | Low |
Timedifferent | 15-30 min | Mehrere Tage bis Wochen | 30-60 min |
Participantsdifferent | 2-6 | 2-6 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Root cause notes, Countermeasures | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | Root causeIncidentLeanProblem solving | Root causeSafetySystemicIncident | BrainstormingIdeationCreativityWorkshopDivergence |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
