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| Criterion |  Operations ALPEN Method |  Operations Kaizen Event |  DevOps Blameless Postmortem |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 10-20 min daily | 0.5-5 Tage | 30-90 min | 45-90 min |
Participantsdifferent | 1 | 4-10 | 3-12 | 2-5 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Postmortem Doc, Action Items, Timeline | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | PlanningTime managementProductivityOperations | LeanContinuous improvementOperations | Site Reliability EngineeringIncidentLearningReliability | LeanProblem solvingCoachingOperations |