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| Criterion |  Operations Time Blocking |  DevOps Blameless Postmortem |  Agile 4Ls Retrospective |
|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 15-30 min Planung, laufend | 30-90 min | 45–75 min |
Participantsdifferent | 1 | 3-12 | Team members involved |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Postmortem Doc, Action Items, Timeline | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | PlanningTime managementFocus | Site Reliability EngineeringIncidentLearningReliability | RetrospectiveLearningReflectionTeam |
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