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| Criterion |  Domain Modeling Bounded Context Canvas |  Operations A3 Problem Solving |  Operations Barrier Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | When a business context is still loosely outlined, it shapes language, responsibility, and integration space. It clarifies what belongs together and where a boundary needs to hold. | 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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 | Medium | Medium | Medium | High |
Timedifferent | 1-3 h | 45-90 min | 2-4 h | 2-8 h |
Participantsdifferent | 3-8 | 2-5 | 2-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Context Canvas, Glossary, Integration Notes | A3 Report, Action Plan, Root Cause Analysis | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | Domain-Driven DesignBoundariesModeling | LeanProblem solvingCoachingOperations | Root causeSafetyIncident | Problem solvingRoot causeDecisionOperations |