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| Criterion |  Operations Time Blocking |  Decision Making Three-Point Estimation |  Engineering Kanban |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | When work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | 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 | Medium | Low |
Timedifferent | 15-30 min Planung, laufend | 10-30 min je Item | Ongoing | 10-20 min daily |
Participantsdifferent | 1 | 1-8 | 2-12 | 1 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Three-Point Estimate, Risk Range, Assumption Notes | Kanban board, WIP policies, Flow metrics | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | PlanningTime managementFocus | EstimationUncertaintyForecasting | FlowVisual managementDelivery | PlanningTime managementProductivityOperations |