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| Criterion |  Decision Making Pre-Mortem |  DevOps Game Day |  Decision Making Decision Tree |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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. | 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 | Low | High | Medium | Low |
Timedifferent | 20–45 min | Halber Tag | 30-90 min | 45-90 min |
Participantsdifferent | Small cross-functional group | 5-20 | 1-6 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Simulation Notes, Gaps List, Updated Runbooks | Decision Tree, Option Map, Assumption List | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | RiskDecisionFailurePlanning | ResilienceOperationsIncident | DecisionTreeOptions | AssumptionsRiskDecisionDiscovery |