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| Criterion |  UX Research Diary Study |  Engineering Kanban |  Operations A3 Problem Solving |  Delivery Value Stream Mapping |
|---|---|---|---|---|
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 work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | Ongoing | 45-90 min | 1-3 h |
Participantsdifferent | 5-20 | 2-12 | 2-5 | 4-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Kanban board, WIP policies, Flow metrics | A3 Report, Action Plan, Root Cause Analysis | Current-state map, Future-state map, Bottleneck list |
Tagsno overlap | UX researchTrackingBehavior | FlowVisual managementDelivery | LeanProblem solvingCoachingOperations | LeanFlowWasteDelivery |