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| Criterion |  Operations ALPEN Method |  Operations Bottleneck Analysis |  Operations Kepner-Tregoe |  Operations 5 Whys |
|---|---|---|---|---|
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 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. | 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. | 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. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 10-20 min daily | 1-3 h | 2-8 h | 15-30 min |
Participantsdifferent | 1 | 3-8 | 2-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures |
Tagsno overlap | PlanningTime managementProductivityOperations | FlowMeasurementConstraints | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving |