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| Criterion |  Systems Thinking CATWOE Analysis |  Systems Thinking Rich Picture |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 45-90 min | 30-90 min | 30-90 min |
Participantsdifferent | 3-8 | 2-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Rich Picture, Problem Framing Notes | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | Systems thinkingFramingStakeholders | Systems thinkingSoft systemsFramingVisualization | Site Reliability EngineeringIncidentLearningReliability |
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