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| Criterion |  DevOps Blameless Postmortem |  Decision Making Force Field Analysis |  Systems Thinking Leverage Points |  Systems Thinking Future Reality Tree |
|---|---|---|---|---|
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. | Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. |
Complexitydifferent | Medium | Low | High | High |
Timedifferent | 30-90 min | 45-90 min | Half day | 2-4 h |
Participantsdifferent | 3-12 | 3-12 | 3-12 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Force Field Map, Change Levers, Risk Notes | Leverage Map, Action Strategy | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ChangeDecisionStrategy | Systems thinkingChangeStrategy | Theory of ConstraintsSystems thinkingChange |