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| Criterion |  Operations Gemba Walk |  Operations ALPEN Method |  Operations Kepner-Tregoe |
|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | Low | Low | High |
Timedifferent | 30-120 min | 10-20 min daily | 2-8 h |
Participantsdifferent | 2-6 | 1 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Daily Plan, Time Estimates, Review Notes | Problem Analysis, Decision Analysis, Risk Plan |
Tags1 shared | LeanObservationProcessOperations | PlanningTime managementProductivityOperations | Problem solvingRoot causeDecisionOperations |
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