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| Criterion |  Operations Barrier Analysis |  Facilitation Six Thinking Hats |  Operations Root Cause 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. | When a topic gets stuck too quickly in the same thinking mode, Six Thinking Hats deliberately separates the perspectives. This means facts, risks, creativity, and emotional signals get worked through one after another instead of mixed together. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 2-4 h | 45-90 min | 1-3 h |
Participantsdifferent | 2-6 | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Perspective Notes, Decision Inputs, Action Items | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | Root causeSafetyIncident | FacilitationOptionsDecision | Root causeTreeIncidentQuality |
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