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| Criterion |  UX Research Contextual Inquiry |  Operations DMAIC |  Knowledge Modeling Event Modeling |  UX Research Diary Study |
|---|---|---|---|---|
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 process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 1-3 Wochen | 2-12 Wochen | 2-6 h | 1-4 Wochen |
Participantsdifferent | 4-12 Beobachtungen | 3-10 | 2-8 | 5-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Field Notes, Workflow Insights, Pain Points | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Event Model, UI Flow, Commands, Read Models | Diary Entries, Longitudinal Patterns, Experience Timeline |
Tagsno overlap | UX researchObservationContext | Continuous improvementQualityProcess improvement | EventsBlueprintDomain-Driven DesignBehavior | UX researchTrackingBehavior |