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| Criterion |  Decision Making Delphi Method |  Business Strategy Business Model Canvas |  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. | The Business Model Canvas condenses a business model to its key building blocks and assumptions. It makes variants quickly comparable and reveals gaps before validation or implementation begins. | 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 | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-2 h | 30-90 min |
Participantsdifferent | 6-30 Experten | 2-8 | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Business Model Canvas, Assumption List, Business Hypotheses | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | ForecastingExpertsDecisionStrategy | Business modelStrategyValueInnovation | Site Reliability EngineeringIncidentLearningReliability |
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