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| Criterion |  Operations Gemba Walk |  Decision Making Assumption Surfacing |  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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 |
Timedifferent | 30-120 min | 45-90 min | 10-20 min daily |
Participantsdifferent | 2-6 | 2-8 | 1 |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Observation Notes, Improvement Ideas | Assumption List, Critical Assumptions, Learning Plan | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | LeanObservationProcessOperations | AssumptionsRiskDecisionDiscovery | PlanningTime managementProductivityOperations |
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