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| Criterion |  Operations After-Action Review |  Operations Fault Tree Analysis |  Operations ALPEN Method |
|---|---|---|---|
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. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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 | Low | High | Low |
Timedifferent | 20-45 min | 2-6 h | 10-20 min daily |
Participantsdifferent | 3-12 | 3-8 | 1 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Lessons learned, Action items, Event summary | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | LearningOperationsImprovement | RiskRoot causeSafety | PlanningTime managementProductivityOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
