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| Criterion |  Business Strategy Ansoff Matrix |  DevOps Blameless Postmortem |  Operations Causal Factor Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | The Ansoff Matrix organizes growth options by market and product relation. It helps weigh expansion, diversification, and adaptation cleanly against each other. | 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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Low | Medium | High | High |
Timedifferent | 45-90 min | 30-90 min | 2-6 h | 2-6 h |
Participantsdifferent | 2-8 | 3-12 | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Ansoff Matrix, Growth Options, Risk Notes | Postmortem Doc, Action Items, Timeline | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | GrowthStrategyMarketPortfolio | Site Reliability EngineeringIncidentLearningReliability | CausalityIncidentRoot causeTimeline | Systems thinkingRoot causeConstraintsCausality |