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| Criterion |  Operations Root Cause Tree Analysis |  Operations Runbook |  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. | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. | 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 | Low |
Timedifferent | 1-3 h | 20-60 min | 15-30 min |
Participantsdifferent | 2-8 | 1-4 | 2-6 |
Formatdifferent | Workshop | Async | Workshop |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Runbook, Checklist, Escalation Path | Root cause notes, Countermeasures |
Tagsno overlap | Root causeTreeIncidentQuality | OperationsReliabilityDocumentation | Root causeIncidentLeanProblem solving |
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