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| Criterion |  Growth A/B Testing |  UX Research Card Sorting |  Product Discovery Smoke Test |  UX Research First-click Testing |
|---|---|---|---|---|
Purposedifferent | 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. | 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 only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-4 Wochen | 20-45 min | 1-5 Tage | 1-2 Tage |
Participantsdifferent | 1-6 | Based on research question | Nutzertraffic | 10-30 |
Formatdifferent | Async | Workshop + async | Async | Async |
Outputdifferent | Experiment results, Decision log, Learning summary | Content groups, Label set, IA hypotheses | Interest Metrics, Conversion Signal, Learning Note | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | Information architectureNavigationStructure | ValidationExperimentsDemandGrowth | UXNavigationFindabilityValidation |