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| Criterion |  Decision Making Delphi Method |  DevOps Game Day |  Operations After-Action Review |
|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | High | High | Low |
Timedifferent | 1-4 Wochen | Halber Tag | 20-45 min |
Participantsdifferent | 6-30 Experten | 5-20 | 3-12 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Simulation Notes, Gaps List, Updated Runbooks | Lessons learned, Action items, Event summary |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ResilienceOperationsIncident | LearningOperationsImprovement |
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