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| Criterion |  UX Research Diary Study |  Innovation Brainstorming |  Agile Affinity Estimation |
|---|---|---|---|
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 a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-4 Wochen | 30-60 min | 30-90 min |
Participantsdifferent | 5-20 | 4-12 | 3-12 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Idea pool, Theme clusters, Shortlist | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | UX researchTrackingBehavior | BrainstormingIdeationCreativityWorkshopDivergence | EstimationBacklogRelative sizing |
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