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| Criterion |  DevOps Blameless Postmortem |  Decision Making Delphi Method |  Business Strategy VRIO Framework |  Business Strategy Business Model Canvas |
|---|---|---|---|---|
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. | 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 VRIO Framework rates resources and capabilities on whether they are Valuable, Rare, Inimitable, and Organized. It compares strengths, risks, market logic, and courses of action. The result is captured as a VRIO table and strategic actions. | 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. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 30-90 min | 1-4 Wochen | 90-180 min | 1-2 h |
Participantsdifferent | 3-12 | 6-30 Experten | 3-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Expert Forecast, Consensus Range, Assumption Notes | VRIO Table, Strategic Actions | Business Model Canvas, Assumption List, Business Hypotheses |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ForecastingExpertsDecisionStrategy | StrategyDiagnosisBusiness modelCapability | Business modelStrategyValueInnovation |