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| Criterion |  UX Research User Interviews |  Operations PDCA Cycle |  Operations Gemba Walk |
|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 30–60 min per interview | 1 h bis mehrere Wochen | 30-120 min |
Participantsdifferent | 1 participant per interview | 1-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Observation Notes, Improvement Ideas |
Tagsno overlap | QualitativeResearchCustomerDiscovery | Continuous improvementLeanExperiments | LeanObservationProcessOperations |
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