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| Criterion |  Systems Thinking Rich Picture |  DevOps Blameless Postmortem |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | A Rich Picture brings an unclear situation onto a shared drawing. It captures actors, tensions, information flows, and blind spots before the team jumps to solutions too early. | 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 a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30-90 min | 30-90 min | 1-3 h |
Participantsdifferent | 2-10 | 3-12 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Rich Picture, Problem Framing Notes | Postmortem Doc, Action Items, Timeline | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | Systems thinkingSoft systemsFramingVisualization | Site Reliability EngineeringIncidentLearningReliability | Root causeTreeIncidentQuality |
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