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| Criterion |  UX Research Card Sorting |  UX Research Diary Study |  UX Research First-click Testing |  Growth A/B Testing |
|---|---|---|---|---|
Purposedifferent | 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 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. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. |
Complexitydifferent | Low | Medium | Low | High |
Timedifferent | 20-45 min | 1-4 Wochen | 1-2 Tage | 1-4 Wochen |
Participantsdifferent | Based on research question | 5-20 | 10-30 | 1-6 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Content groups, Label set, IA hypotheses | Diary Entries, Longitudinal Patterns, Experience Timeline | Click Heatmap, Success Rate, Design Recommendations | Experiment results, Decision log, Learning summary |
Tagsno overlap | Information architectureNavigationStructure | UX researchTrackingBehavior | UXNavigationFindabilityValidation | ExperimentsGrowthAnalyticsValidation |