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| Criterion |  Innovation Brainstorming |  Innovation Reverse Brainstorming |  Operations MORT Analysis |  Operations Family Tree Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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 series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 30-60 min | 30-60 min | Mehrere Tage bis Wochen | 2-4 h |
Participantsdifferent | 4-12 | 3-12 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Idea pool, Theme clusters, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tagsno overlap | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityRisk | Root causeSafetySystemicIncident | Root causePatternsIncidentSystemic |