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| Criterion |  Product Discovery Jobs to Be Done |  UX Research Customer Journey Mapping |  Operations 8D Problem Solving |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When switching motives and progress are unclear, it reconstructs the situation from real customer circumstances. It shows why a switch happens and what kind of progress is being sought. | 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 a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 1-3 Wochen | 2-4 h | 1-6 Wochen | 1-4 h |
Participantsdifferent | 5-12 Interviews | 4-10 | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Job Stories, Outcome Statements, Opportunity List | Journey Map, Pain-point List, Opportunity Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | CustomerOutcomesNeeds | JourneyServiceService design | QualityProblem solvingRoot cause | Root causeProblem solvingQualityIncident |