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| Criterion |  Operations Fault Tree Analysis |  Innovation Rolestorming |  Innovation Brainstorming |
|---|---|---|---|
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 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. | 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 | High | Low | Low |
Timedifferent | 2-6 h | 30-60 min | 30-60 min |
Participantsdifferent | 3-8 | 3-12 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | RiskRoot causeSafety | BrainstormingIdeationCreativity | BrainstormingIdeationCreativityWorkshopDivergence |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
