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| Criterion |  UX Research Diary Study |  Agile NoEstimates |  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 estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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 | laufend | 30-60 min | 1-3 h |
Participantsdifferent | 5-20 | 2-12 | 2-6 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Throughput Data, Flow Forecast, Slicing Rules | Counter Metric List, Guardrail Definitions | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures |
Tagsno overlap | UX researchTrackingBehavior | EstimationForecastingFlow | MetricsMeasurementStrategyExperiments | FlowMeasurementConstraints |