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| Criterion |  Operations Root Cause Tree Analysis |  Decision Making Pareto Analysis |  Operations Family Tree Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | 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 series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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 | Low | Medium | Low |
Timedifferent | 1-3 h | 30-60 min | 2-4 h | 15-30 min |
Participantsdifferent | 2-8 | 1-6 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Pareto Chart, Top Causes, Focus List | Family Tree Diagram, Pattern Notes, Systemic Measures | Root cause notes, Countermeasures |
Tags1 shared | Root causeTreeIncidentQuality | PrioritizationQualityFocusRoot cause | Root causePatternsIncidentSystemic | Root causeIncidentLeanProblem solving |