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| Criterion |  Operations Getting Things Done |  Operations After-Action Review |  DevOps Blameless Postmortem |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-2 h Setup, laufend | 20-45 min | 30-90 min | 10-20 min daily |
Participantsdifferent | 1 | 3-12 | 3-12 | 1 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Action Lists, Project List, Review Routine | Lessons learned, Action items, Event summary | Postmortem Doc, Action Items, Timeline | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ProductivityPlanningTasksExecution | LearningOperationsImprovement | Site Reliability EngineeringIncidentLearningReliability | PlanningTime managementProductivityOperations |