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| Criterion |  UX Research Diary Study |  Delivery Value Stream Mapping |  Operations Gemba Walk |
|---|---|---|---|
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 delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 1-3 h | 30-120 min |
Participantsdifferent | 5-20 | 4-10 | 2-6 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Current-state map, Future-state map, Bottleneck list | Observation Notes, Improvement Ideas |
Tagsno overlap | UX researchTrackingBehavior | LeanFlowWasteDelivery | LeanObservationProcessOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
