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| Criterion |  Decision Making Delphi Method |  Business Strategy Business Model Stress Test |  DevOps Blameless Postmortem |
|---|---|---|---|
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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. | 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. |
Complexitydifferent | High | High | Medium |
Timedifferent | 1-4 Wochen | Half day | 30-90 min |
Participantsdifferent | 6-30 Experten | 3-8 | 3-12 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Stress Test Report, Action Plan per Scenario | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | ForecastingExpertsDecisionStrategy | StrategyBusiness modelRiskDiagnosis | Site Reliability EngineeringIncidentLearningReliability |
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