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| Criterion |  DevOps Game Day |  Operations ALPEN Method |  Decision Making Pre-Mortem |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. | 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 | High | Low | Low | Low |
Timedifferent | Halber Tag | 10-20 min daily | 20–45 min | 45-90 min |
Participantsdifferent | 5-20 | 1 | Small cross-functional group | 2-8 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Daily Plan, Time Estimates, Review Notes | Risk list, Mitigation plan, Assumption log | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ResilienceOperationsIncident | PlanningTime managementProductivityOperations | RiskDecisionFailurePlanning | AssumptionsRiskDecisionDiscovery |