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| Criterion |  DevOps Blameless Postmortem |  Decision Making Force Field Analysis |  Business Strategy Business Model Canvas |  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. | In change initiatives, supporting and restraining forces sit at the table at the same time. Force Field Analysis makes these tensions explicit and shows where change can be pushed forward by strengthening or relieving. | 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. | 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 | Low | Medium | High |
Timedifferent | 30-90 min | 45-90 min | 1-2 h | 1-4 Wochen |
Participantsdifferent | 3-12 | 3-12 | 2-8 | 6-30 Experten |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Force Field Map, Change Levers, Risk Notes | Business Model Canvas, Assumption List, Business Hypotheses | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ChangeDecisionStrategy | Business modelStrategyValueInnovation | ForecastingExpertsDecisionStrategy |