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| Criterion |  DevOps Blameless Postmortem |  Product Strategy Impact Mapping |  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. | When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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 | Medium | Medium | High |
Timedifferent | 30-90 min | 45-90 min | 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 | Impact Map, Outcome Hypotheses, Delivery Options | VRIO Table, Strategic Actions | Value Chain Map, Lever List |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | OutcomesStrategyBehaviorPlanning | StrategyDiagnosisBusiness modelCapability | StrategyBusiness modelDiagnosisAnalysis |