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| Criterion |  Operations Fault Tree Analysis |  Innovation Brainstorming |  Innovation Morphological Analysis |
|---|---|---|---|
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. | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. |
Complexitydifferent | High | Low | Medium |
Timedifferent | 2-6 h | 30-60 min | 1-3 h |
Participantsdifferent | 3-8 | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Idea pool, Theme clusters, Shortlist | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | RiskRoot causeSafety | BrainstormingIdeationCreativityWorkshopDivergence | IdeationInnovationCreativity |
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