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| Criterion |  Facilitation Six Thinking Hats |  Operations Barrier Analysis |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 45-90 min | 2-4 h | 15-30 min |
Participantsdifferent | 4-12 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Perspective Notes, Decision Inputs, Action Items | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Root cause notes, Countermeasures |
Tagsno overlap | FacilitationOptionsDecision | Root causeSafetyIncident | Root causeIncidentLeanProblem solving |
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