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| Criterion |  DevOps Blameless Postmortem |  Systems Thinking Evaporating Cloud |  Decision Making Delphi Method |
|---|---|---|---|
Purposedifferent | 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 30-90 min | 60-120 min | 1-4 Wochen |
Participantsdifferent | 3-12 | 2-8 | 6-30 Experten |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Theory of ConstraintsAssumptionsSystems thinking | ForecastingExpertsDecisionStrategy |
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