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| Criterion |  Decision Making Risk Matrix |  Operations Barrier Analysis |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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 | Low | Medium | Low |
Timedifferent | 30-60 min | 2-4 h | 15-30 min |
Participantsdifferent | 3-10 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Risk Matrix, Top Risk List | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Root cause notes, Countermeasures |
Tagsno overlap | RiskDecisionPrioritizationAssessment | Root causeSafetyIncident | Root causeIncidentLeanProblem solving |
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