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| Criterion |  Decision Making Constraint Analysis |  Operations Bottleneck Analysis |  Operations Ivy Lee Method |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 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. | 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 | Medium | Low | Low |
Timedifferent | 30-90 min | 1-3 h | 5-10 min daily | 10-20 min daily |
Participantsdifferent | 2-8 | 3-8 | 1 | 1 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Daily Priority List, Completion Notes | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ConstraintsDecisionPlanningOptions | FlowMeasurementConstraints | PrioritizationProductivityExecution | PlanningTime managementProductivityOperations |