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| Criterion |  Innovation Reverse Brainstorming |  Operations MORT Analysis |  Operations Fault Tree Analysis |  Innovation Brainstorming |
|---|---|---|---|---|
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 safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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. | 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 | High | Low |
Timedifferent | 30-60 min | Mehrere Tage bis Wochen | 2-6 h | 30-60 min |
Participantsdifferent | 3-12 | 2-6 | 3-8 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | BrainstormingIdeationCreativityRisk | Root causeSafetySystemicIncident | RiskRoot causeSafety | BrainstormingIdeationCreativityWorkshopDivergence |