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| Criterion |  Operations Barrier Analysis |  Product Strategy DIBB |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 2-4 h | 1-2 h | 2-6 h |
Participantsdifferent | 2-6 | 2-8 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | DIBB document, Belief list, Bet list, Learning report | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | Root causeSafetyIncident | StrategyDecisionAssumptionsHypothesis | RiskRoot causeSafety |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
