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| Criterion |  UX Research Diary Study |  Agile Affinity Estimation |  Agile Story Points |  Agile Ideal Days |
|---|---|---|---|---|
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 many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | 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 effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 30-90 min | laufend, 1-5 min je Item | 15-60 min |
Participantsdifferent | 5-20 | 3-12 | 3-9 | 2-9 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Affinity Size Map, Grouped Estimates, Unclear Items | Point Estimates, Reference Stories, Velocity Data | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | UX researchTrackingBehavior | EstimationBacklogRelative sizing | EstimationAgileMeasurement | EstimationEffortAgile |