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| Criterion |  UX Design Customer Journey Canvas |  Operations 8D Problem Solving |  Operations Fishbone Diagram |  UX Design Service Blueprinting |
|---|---|---|---|---|
Purposedifferent | When a journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | 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. | 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. | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 1-3 h | 1-6 Wochen | 30-60 min | 0.5-2 Tage |
Participantsdifferent | 3-10 | 4-10 | 2-8 | 6-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Customer Journey Canvas, Pain Points, Experience Opportunities | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Fishbone Diagram, Cause Categories, Investigation Backlog | Service Blueprint, Fail Points, Ownership Map |
Tagsno overlap | JourneyCustomerService designCanvas | QualityProblem solvingRoot cause | Root causeQualityOperations | Service designOperationsJourneyBlueprint |