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| Criterion |  Decision Making Pareto Analysis |  Operations Barrier Analysis |  Operations 5 Whys |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
Purposedifferent | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 30-60 min | 2-4 h | 15-30 min | 1-3 h |
Participantsdifferent | 1-6 | 2-6 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Pareto Chart, Top Causes, Focus List | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Root cause notes, Countermeasures | Cause Tree, Evidence Notes, Countermeasures |
Tags1 shared | PrioritizationQualityFocusRoot cause | Root causeSafetyIncident | Root causeIncidentLeanProblem solving | Root causeTreeIncidentQuality |