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| Criterion |  UX Research Diary Study |  UX Research Surveys |  Product Discovery Test Card |
|---|---|---|---|
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 topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 3-14 Tage | 20-35 min |
Participantsdifferent | 5-20 | 50+ | 1-5 |
Formatdifferent | Async | Async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Survey Results, Charts, Segment Insights | Test Card with a pre-set threshold |
Tagsno overlap | UX researchTrackingBehavior | QuantitativeResearchValidation | ExperimentsValidationDiscoveryHypothesis |
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