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| Criterion |  Operations Fishbone Diagram |  UX Design Lean UX Canvas |  Architecture Architecture Decision Record |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | Medium | Low | High |
Timedifferent | 30-60 min | 2-3 h | 15-45 min | 1-6 Wochen |
Participantsdifferent | 2-8 | 3-8 | 1-3 | 4-10 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Completed Lean UX Canvas, Hypothesis list, First experiment | ADR File, Decision Log, Rationale | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeQualityOperations | CanvasHypothesisOutcomesDiscovery | ArchitectureRationaleDocumentationGovernance | QualityProblem solvingRoot cause |