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| Criterion |  UX Research Diary Study |  Operations Gemba Walk |  Operations Process Mapping |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-4 Wochen | 30-120 min | 1-3 h | 20-45 min |
Participantsdifferent | 5-20 | 2-6 | 3-10 | 3-12 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Observation Notes, Improvement Ideas | Process Map, Handoff List, Improvement Backlog | Lessons learned, Action items, Event summary |
Tagsno overlap | UX researchTrackingBehavior | LeanObservationProcessOperations | ProcessOperationsImprovement | LearningOperationsImprovement |