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| Criterion |  Operations Accountability Ladder |  Systems Thinking CATWOE Analysis |  DevOps Incident Timeline Analysis |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | With defensive reactions to problems, the method shifts the view from justification to ownership. It makes visible which reaction stage a person or team is currently stuck on. | 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. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | 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 | Medium | Medium | Medium |
Timedifferent | 20-45 min | 45-90 min | 60-180 min | 30-90 min |
Participantsdifferent | 1-8 | 3-8 | 3-10 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Ownership Reflection, Action Commitment, Coaching Notes | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | ResponsibilityLeadershipTeam | Systems thinkingFramingStakeholders | IncidentTimelineSite Reliability Engineering | Site Reliability EngineeringIncidentLearningReliability |