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| Criterion |  UX Research Diary Study |  Delivery Value Stream Mapping |  Product Strategy Counter Metrics |  Operations Bottleneck 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. | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-4 Wochen | 1-3 h | 30-60 min | 1-3 h |
Participantsdifferent | 5-20 | 4-10 | 2-6 | 3-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Current-state map, Future-state map, Bottleneck list | Counter Metric List, Guardrail Definitions | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures |
Tagsno overlap | UX researchTrackingBehavior | LeanFlowWasteDelivery | MetricsMeasurementStrategyExperiments | FlowMeasurementConstraints |