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| Criterion |  Product Strategy Product Canvas |  Operations A3 Problem Solving |  Knowledge Modeling Event Modeling |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | When product goal and feature scope don't yet fit cleanly together, it creates a shared working picture. It connects need, core features, and assumptions into a solid starting point. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-2 h | 45-90 min | 2-6 h | 30-120 min |
Participantsdifferent | 2-8 | 2-5 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | A3 Report, Action Plan, Root Cause Analysis | Event Model, UI Flow, Commands, Read Models | Observation Notes, Improvement Ideas |
Tagsno overlap | CanvasDiscoveryScope | LeanProblem solvingCoachingOperations | EventsBlueprintDomain-Driven DesignBehavior | LeanObservationProcessOperations |