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| Criterion |  Operations Fault Tree Analysis |  Innovation Brainstorming |  Facilitation 1-2-4-All |
|---|---|---|---|
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 many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. |
Complexitydifferent | High | Low | Low |
Timedifferent | 2-6 h | 30-60 min | 10-20 min |
Participantsdifferent | 3-8 | 4-12 | 4-100+ |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Idea pool, Theme clusters, Shortlist | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | RiskRoot causeSafety | BrainstormingIdeationCreativityWorkshopDivergence | FacilitationInclusionIdeation |
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