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| Criterion |  Decision Making Decision Tree |  DevOps Blameless Postmortem |  Decision Making Assumption Surfacing |
|---|---|---|---|
Purposedifferent | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-90 min | 30-90 min | 45-90 min |
Participantsdifferent | 1-6 | 3-12 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Decision Tree, Option Map, Assumption List | Postmortem Doc, Action Items, Timeline | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | DecisionTreeOptions | Site Reliability EngineeringIncidentLearningReliability | AssumptionsRiskDecisionDiscovery |
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