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| Criterion |  Operations Ivy Lee Method |  Operations Theory of Constraints |  Operations After-Action Review |  Operations ABC Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | 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. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 5-10 min daily | 2-4 h Analyse, laufend | 20-45 min | 30-60 min |
Participantsdifferent | 1 | 3-12 | 3-12 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Daily Priority List, Completion Notes | Constraint Map, Improvement Plan, Flow Metrics | Lessons learned, Action items, Event summary | ABC Classification, Focus Rules, Control List |
Tagsno overlap | PrioritizationProductivityExecution | OperationsConstraintsFlowImprovement | LearningOperationsImprovement | PrioritizationOperationsPortfolio |