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| Criterion |  Operations Bottleneck Analysis |  Knowledge Modeling PARA Method |  Operations Ivy Lee Method |  Operations Theory of Constraints |
|---|---|---|---|---|
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. | The PARA Method organizes knowledge into Projects, Areas, Resources, and Archives. It creates order when digital notes, files, and tasks no longer cleanly fit current work. | 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. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 1-3 h | 1-3 h Setup, laufend | 5-10 min daily | 2-4 h Analyse, laufend |
Participantsdifferent | 3-8 | 1 | 1 | 3-12 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | PARA Structure, Project Notes, Knowledge Archive | Daily Priority List, Completion Notes | Constraint Map, Improvement Plan, Flow Metrics |
Tagsno overlap | FlowMeasurementConstraints | KnowledgeProductivityOrganization | PrioritizationProductivityExecution | OperationsConstraintsFlowImprovement |