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| Criterion |  Operations Bottleneck Analysis |  Operations ABC Analysis |  Operations Getting Things Done |  Operations Ivy Lee Method |
|---|---|---|---|---|
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 many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-3 h | 30-60 min | 1-2 h Setup, laufend | 5-10 min daily |
Participantsdifferent | 3-8 | 1-5 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | ABC Classification, Focus Rules, Control List | Action Lists, Project List, Review Routine | Daily Priority List, Completion Notes |
Tagsno overlap | FlowMeasurementConstraints | PrioritizationOperationsPortfolio | ProductivityPlanningTasksExecution | PrioritizationProductivityExecution |