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| Criterion |  UX Research Contextual Inquiry |  Operations Root Cause Tree Analysis |  Agile Three Amigos |
|---|---|---|---|
Purposedifferent | When work processes are known only from accounts and the real context stays hidden, Contextual Inquiry makes behavior at the workplace visible. Observation and follow-up questions together show how people actually work, get interrupted, and improvise. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-3 Wochen | 1-3 h | 15-30 min |
Participantsdifferent | 4-12 Beobachtungen | 2-8 | 3 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Field Notes, Workflow Insights, Pain Points | Cause Tree, Evidence Notes, Countermeasures | Clarified Story, Test Examples, Open Questions |
Tagsno overlap | UX researchObservationContext | Root causeTreeIncidentQuality | CollaborationBehavior-Driven DevelopmentQualityRefinement |
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