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| Criterion |  UX Research User Interviews |  Operations Kaizen Event |  Operations Getting Things Done |
|---|---|---|---|
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 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. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | 0.5-5 Tage | 1-2 h Setup, laufend |
Participantsdifferent | 1 participant per interview | 4-10 | 1 |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Action Lists, Project List, Review Routine |
Tagsno overlap | QualitativeResearchCustomerDiscovery | LeanContinuous improvementOperations | ProductivityPlanningTasksExecution |
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