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| Criterion |  UX Research Diary Study |  Decision Making Three-Point Estimation |  Agile NoEstimates |
|---|---|---|---|
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. | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 10-30 min je Item | laufend |
Participantsdifferent | 5-20 | 1-8 | 2-12 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Three-Point Estimate, Risk Range, Assumption Notes | Throughput Data, Flow Forecast, Slicing Rules |
Tagsno overlap | UX researchTrackingBehavior | EstimationUncertaintyForecasting | EstimationForecastingFlow |
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