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| Criterion |  Decision Making Pareto Analysis |  Operations Change 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 deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 | 45-120 min | 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 | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Root cause notes, Countermeasures | Cause Tree, Evidence Notes, Countermeasures |
Tags1 shared | PrioritizationQualityFocusRoot cause | ChangeRoot causeTroubleshootingComparison | Root causeIncidentLeanProblem solving | Root causeTreeIncidentQuality |