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| Criterion |  DevOps ChatOps |  Decision Making Assumption Surfacing |  Operations Fishbone Diagram |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
Purposedifferent | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | 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. | 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 | Medium | Low | Low | Medium |
Timedifferent | Ongoing | 45-90 min | 30-60 min | 1-3 h |
Participantsdifferent | 2-20 | 2-8 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Chat Transcript, Action Log, Automations | Assumption List, Critical Assumptions, Learning Plan | Fishbone Diagram, Cause Categories, Investigation Backlog | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | CollaborationEngineeringIncident | AssumptionsRiskDecisionDiscovery | Root causeQualityOperations | Root causeTreeIncidentQuality |