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| Criterion |  Agile Story Points |  UX Research Diary Study |  Decision Making PERT Estimation |
|---|---|---|---|
Purposedifferent | When teams want to rate complexity rather than hours, it creates a shared, relative scale. It sorts work by value, risk, and delivery ability. The result is captured as Point Estimates, Reference Stories, and Velocity Data. | 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. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | laufend, 1-5 min je Item | 1-4 Wochen | 15-45 min |
Participantsdifferent | 3-9 | 5-20 | 1-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Point Estimates, Reference Stories, Velocity Data | Diary Entries, Longitudinal Patterns, Experience Timeline | PERT Estimate, Expected Value, Risk Notes |
Tagsno overlap | EstimationAgileMeasurement | UX researchTrackingBehavior | EstimationUncertaintyRisk |
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