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| Criterion |  Agile Sprint Retrospective |  Operations ALPEN Method |  Operations Learning Review |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | When a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 | Low | Medium | Medium |
Timedifferent | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 10-20 min daily | 1-3 h | 30-90 min |
Participantsdifferent | Scrum Team | 1 | 3-10 | 3-12 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Improvement actions, Team agreements | Daily Plan, Time Estimates, Review Notes | Learning Review Notes, System Factors, Improvement Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | RetrospectiveImprovementLearning | PlanningTime managementProductivityOperations | LearningRetrospectiveIncidentOperations | Site Reliability EngineeringIncidentLearningReliability |