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| Criterion |  Operations Time Blocking |  Operations After-Action Review |  Operations Gemba Walk |  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. | 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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 15-30 min Planung, laufend | 20-45 min | 30-120 min | 10-20 min daily |
Participantsdifferent | 1 | 3-12 | 2-6 | 1 |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Lessons learned, Action items, Event summary | Observation Notes, Improvement Ideas | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | PlanningTime managementFocus | LearningOperationsImprovement | LeanObservationProcessOperations | PlanningTime managementProductivityOperations |