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| Criterion |  UX Research Diary Study |  Delivery Value Stream Mapping |  Operations Waste Analysis |
|---|---|---|---|
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. | For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 1-3 h | 45-120 min |
Participantsdifferent | 5-20 | 4-10 | 2-8 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Current-state map, Future-state map, Bottleneck list | Waste Map, Prioritized Waste, Improvement Backlog |
Tagsno overlap | UX researchTrackingBehavior | LeanFlowWasteDelivery | WasteLeanProcess improvement |
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