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| Criterion |  UX Research Diary Study |  UX Research Card Sorting |  Product Discovery Fake Door Test |
|---|---|---|---|
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 content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-4 Wochen | 20-45 min | 1-5 Tage |
Participantsdifferent | 5-20 | Based on research question | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Content groups, Label set, IA hypotheses | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | UX researchTrackingBehavior | Information architectureNavigationStructure | ValidationExperimentsDemandDiscovery |
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