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| Criterion |  UX Research Usability Testing |  UX Research First-click Testing |  Growth A/B Testing |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 1-2 h je Session | 1-2 Tage | 1-4 Wochen | 1-5 Tage |
Participantsdifferent | Based on research question | 10-30 | 1-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Click Heatmap, Success Rate, Design Recommendations | Experiment results, Decision log, Learning summary | Interest Metrics, Conversion Signal, Learning Note |
Tags1 shared | ValidationUXPrototype | UXNavigationFindabilityValidation | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandGrowth |