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| Criterion |  Architecture Views and Beyond |  Operations Change Analysis |  Operations 5 Whys |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-3 Tage | 45-120 min | 15-30 min | 45-90 min |
Participantsdifferent | 1-4 | 2-6 | 2-6 | 2-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Architecture Views, Cross-view Notes, Rationale | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Root cause notes, Countermeasures | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | DocumentationStakeholdersArchitecture | ChangeRoot causeTroubleshootingComparison | Root causeIncidentLeanProblem solving | LeanProblem solvingCoachingOperations |