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| Criterion |  DevOps Incident Command |  Decision Making Assumption Surfacing |  Operations Root Cause Tree Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | As needed | 45-90 min | 1-3 h | 2-8 h |
Participantsdifferent | 4-15 | 2-8 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | Assumption List, Critical Assumptions, Learning Plan | Cause Tree, Evidence Notes, Countermeasures | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | IncidentOperationsReliability | AssumptionsRiskDecisionDiscovery | Root causeTreeIncidentQuality | Problem solvingRoot causeDecisionOperations |