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| Criterion |  UX Research Contextual Inquiry |  Operations PDCA Cycle |  Operations Kepner-Tregoe |
|---|---|---|---|
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 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 1-3 Wochen | 1 h bis mehrere Wochen | 2-8 h |
Participantsdifferent | 4-12 Beobachtungen | 1-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Field Notes, Workflow Insights, Pain Points | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | UX researchObservationContext | Continuous improvementLeanExperiments | Problem solvingRoot causeDecisionOperations |
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