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| Criterion |  UX Research Diary Study |  UX Research First-click Testing |  Product Discovery Test Card |  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 users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | Low | Medium |
Timedifferent | 1-4 Wochen | 1-2 Tage | 20-35 min | 1-5 Tage |
Participantsdifferent | 5-20 | 10-30 | 1-5 | Nutzertraffic |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Click Heatmap, Success Rate, Design Recommendations | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | UX researchTrackingBehavior | UXNavigationFindabilityValidation | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |