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| Criterion |  UX Design Customer Journey Canvas |  UX Research Affinity Diagramming |  Operations Kepner-Tregoe |  Operations 5 Whys |
|---|---|---|---|---|
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. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 1-3 h | 45–90 min | 2-8 h | 15-30 min |
Participantsdifferent | 3-10 | 3-10 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Customer Journey Canvas, Pain Points, Experience Opportunities | Theme clusters, Insight statements, Opportunity areas | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures |
Tagsno overlap | JourneyCustomerService designCanvas | SynthesisQualitativeRoot cause | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving |