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| Criterion |  Operations A3 Problem Solving |  Operations Kepner-Tregoe |  Architecture Software Architecture Canvas |
|---|---|---|---|
Purposedifferent | 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 45-90 min | 2-8 h | 1-2 h |
Participantsdifferent | 2-5 | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Problem Analysis, Decision Analysis, Risk Plan | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | LeanProblem solvingCoachingOperations | Problem solvingRoot causeDecisionOperations | CanvasArchitectureAlignmentWorkshop |
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