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| Criterion |  Operations Gemba Walk |  Knowledge Modeling PARA Method |  Operations After-Action Review |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | 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 | 30-120 min | 1-3 h Setup, laufend | 20-45 min | 10-20 min daily |
Participantsdifferent | 2-6 | 1 | 3-12 | 1 |
Formatdifferent | Workshop | Async | Workshop + async | Async |
Outputdifferent | Observation Notes, Improvement Ideas | PARA Structure, Project Notes, Knowledge Archive | Lessons learned, Action items, Event summary | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | LeanObservationProcessOperations | KnowledgeProductivityOrganization | LearningOperationsImprovement | PlanningTime managementProductivityOperations |