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| Criterion |  Business Strategy Value Chain Analysis |  Operations Learning Review |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | 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 | Half day | 1-3 h | 30-90 min |
Participantsdifferent | 3-8 | 3-10 | 3-12 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Value Chain Map, Lever List | Learning Review Notes, System Factors, Improvement Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | StrategyBusiness modelDiagnosisAnalysis | LearningRetrospectiveIncidentOperations | Site Reliability EngineeringIncidentLearningReliability |
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