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| Criterion |  Operations After-Action Review |  Operations ALPEN Method |  Operations 5 Whys |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | 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. | 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 20-45 min | 10-20 min daily | 15-30 min | 1-3 h |
Participantsdifferent | 3-12 | 1 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | Daily Plan, Time Estimates, Review Notes | Root cause notes, Countermeasures | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | LearningOperationsImprovement | PlanningTime managementProductivityOperations | Root causeIncidentLeanProblem solving | LearningRetrospectiveIncidentOperations |