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| Criterion |  UX Research Contextual Inquiry |  Delivery Value Stream Mapping |  Operations Waste Analysis |
|---|---|---|---|
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. | 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 | 1-3 Wochen | 1-3 h | 45-120 min |
Participantsdifferent | 4-12 Beobachtungen | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Field Notes, Workflow Insights, Pain Points | Current-state map, Future-state map, Bottleneck list | Waste Map, Prioritized Waste, Improvement Backlog |
Tagsno overlap | UX researchObservationContext | LeanFlowWasteDelivery | WasteLeanProcess improvement |
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