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| Criterion |  UX Research Customer Journey Mapping |  Operations 8D Problem Solving |  Product Discovery Concierge MVP |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | 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 an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | 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 | High | Medium | Low |
Timedifferent | 2-4 h | 1-6 Wochen | 1-4 Wochen | 15-30 min |
Participantsdifferent | 4-10 | 4-10 | 3-10 Kunden | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Concierge Learnings, Service Blueprint, MVP Risks | Root cause notes, Countermeasures |
Tagsno overlap | JourneyServiceService design | QualityProblem solvingRoot cause | MVPValidationServiceDiscovery | Root causeIncidentLeanProblem solving |