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| Criterion |  Operations Bottleneck Analysis |  Operations ALPEN Method |  Decision Making Decision Tree |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | 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. | 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 decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 1-3 h | 10-20 min daily | 30-90 min | 2-8 h |
Participantsdifferent | 3-8 | 1 | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Daily Plan, Time Estimates, Review Notes | Decision Tree, Option Map, Assumption List | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | FlowMeasurementConstraints | PlanningTime managementProductivityOperations | DecisionTreeOptions | Problem solvingRoot causeDecisionOperations |