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| Criterion |  Innovation Reverse Brainstorming |  Operations Fault Tree Analysis |  Operations MORT Analysis |
|---|---|---|---|
Purposedifferent | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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. |
Complexitydifferent | Low | High | High |
Timedifferent | 30-60 min | 2-6 h | Mehrere Tage bis Wochen |
Participantsdifferent | 3-12 | 3-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | BrainstormingIdeationCreativityRisk | RiskRoot causeSafety | Root causeSafetySystemicIncident |
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