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| Criterion |  Operations Visual Management |  Systems Thinking Future Reality Tree |  Operations Learning Review |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | 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. | 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 | Low | High | Medium | Medium |
Timedifferent | Ongoing | 2-4 h | 1-3 h | 30-90 min |
Participantsdifferent | 1-20 | 3-8 | 3-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Learning Review Notes, System Factors, Improvement Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | SignalsOperationsVisual management | Theory of ConstraintsSystems thinkingChange | LearningRetrospectiveIncidentOperations | Site Reliability EngineeringIncidentLearningReliability |