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| Criterion |  DevOps Blameless Postmortem |  Business Strategy Business Model Stress Test |  Business Strategy VRIO Framework |  Business Strategy Value Chain Analysis |
|---|---|---|---|---|
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. | 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. | 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. | 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. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 30-90 min | Half day | 90-180 min | Half day |
Participantsdifferent | 3-12 | 3-8 | 3-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Stress Test Report, Action Plan per Scenario | VRIO Table, Strategic Actions | Value Chain Map, Lever List |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | StrategyBusiness modelRiskDiagnosis | StrategyDiagnosisBusiness modelCapability | StrategyBusiness modelDiagnosisAnalysis |