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| Criterion |  Operations Root Cause Tree Analysis |  Operations Ivy Lee Method |  Decision Making Pareto Analysis |
|---|---|---|---|
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. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 h | 5-10 min daily | 30-60 min |
Participantsdifferent | 2-8 | 1 | 1-6 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Daily Priority List, Completion Notes | Pareto Chart, Top Causes, Focus List |
Tagsno overlap | Root causeTreeIncidentQuality | PrioritizationProductivityExecution | PrioritizationQualityFocusRoot cause |
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