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| Criterion |  Operations Gemba Walk |  Knowledge Modeling PARA Method |  Operations Kepner-Tregoe |  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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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 | High | Low |
Timedifferent | 30-120 min | 1-3 h Setup, laufend | 2-8 h | 10-20 min daily |
Participantsdifferent | 2-6 | 1 | 2-8 | 1 |
Formatdifferent | Workshop | Async | Workshop + async | Async |
Outputdifferent | Observation Notes, Improvement Ideas | PARA Structure, Project Notes, Knowledge Archive | Problem Analysis, Decision Analysis, Risk Plan | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | LeanObservationProcessOperations | KnowledgeProductivityOrganization | Problem solvingRoot causeDecisionOperations | PlanningTime managementProductivityOperations |