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| Criterion |  Operations Ivy Lee Method |  Operations Theory of Constraints |  Operations Eat the Frog |  Operations ALPEN Method |
|---|---|---|---|---|
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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | 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. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 5-10 min daily | 2-4 h Analyse, laufend | 15-90 min daily | 10-20 min daily |
Participantsdifferent | 1 | 3-12 | 1 | 1 |
Formatdifferent | Async | Workshop + async | Async | Async |
Outputdifferent | Daily Priority List, Completion Notes | Constraint Map, Improvement Plan, Flow Metrics | Priority Task, Completion Note, Daily Focus | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | PrioritizationProductivityExecution | OperationsConstraintsFlowImprovement | PrioritizationProductivityFocusExecution | PlanningTime managementProductivityOperations |