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| Criterion |  Product Discovery Jobs to Be Done |  UX Research Empathy Mapping |  Operations Gemba Walk |  Operations Kaizen Event |
|---|---|---|---|---|
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 lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-3 Wochen | 30–60 min | 30-120 min | 0.5-5 Tage |
Participantsdifferent | 5-12 Interviews | 4-8 | 2-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Job Stories, Outcome Statements, Opportunity List | Empathy Map, Assumptions List, Research Gaps | Observation Notes, Improvement Ideas | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | CustomerOutcomesNeeds | SynthesisQualitativeWorkshop | LeanObservationProcessOperations | LeanContinuous improvementOperations |