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| Criterion |  Operations Fault Tree Analysis |  Innovation Brainstorming |  Innovation Rolestorming |
|---|---|---|---|
Purposedifferent | 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. | When a search for ideas stalls, switching roles helps people step outside their own perspective and activate new logics of action. The method reduces habit because contributions arise from a different stance. This brings unfamiliar, often fitting solution approaches into play. |
Complexitydifferent | High | Low | Low |
Timedifferent | 2-6 h | 30-60 min | 30-60 min |
Participantsdifferent | 3-8 | 4-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Idea pool, Theme clusters, Shortlist | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist |
Tagsno overlap | RiskRoot causeSafety | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativity |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
