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| Criterion |  Operations Gemba Walk |  Operations ALPEN Method |  Knowledge Modeling Event Modeling |  Domain Modeling EventStorming |
|---|---|---|---|---|
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. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30-120 min | 10-20 min daily | 2-6 h | 2-8 h |
Participantsdifferent | 2-6 | 1 | 2-8 | 5-12 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Daily Plan, Time Estimates, Review Notes | Event Model, UI Flow, Commands, Read Models | Event Timeline, Ubiquitous Language, Boundaries, Open Questions |
Tagsno overlap | LeanObservationProcessOperations | PlanningTime managementProductivityOperations | EventsBlueprintDomain-Driven DesignBehavior | Domain-Driven DesignEventsDiscoveryWorkshop |