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| Criterion |  Decision Making Assumption Surfacing |  DevOps Incident Command |  Operations Fishbone Diagram |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 | 45-90 min | As needed | 30-60 min | 1-3 h |
Participantsdifferent | 2-8 | 4-15 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Incident Log, Action Tracker, Stakeholder Updates | Fishbone Diagram, Cause Categories, Investigation Backlog | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | IncidentOperationsReliability | Root causeQualityOperations | Root causeTreeIncidentQuality |