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| Criterion |  Operations Theory of Constraints |  Operations ALPEN Method |  Operations After-Action Review |  Operations Bottleneck Analysis |
|---|---|---|---|---|
Purposedifferent | For a system that does not get faster despite effort, the method directs attention to the bottleneck. It concentrates improvement on the point that actually limits throughput. | 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 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 flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | 2-4 h Analyse, laufend | 10-20 min daily | 20-45 min | 1-3 h |
Participantsdifferent | 3-12 | 1 | 3-12 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Constraint Map, Improvement Plan, Flow Metrics | Daily Plan, Time Estimates, Review Notes | Lessons learned, Action items, Event summary | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures |
Tagsno overlap | OperationsConstraintsFlowImprovement | PlanningTime managementProductivityOperations | LearningOperationsImprovement | FlowMeasurementConstraints |