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| Criterion |  UX Research Diary Study |  Product Discovery Smoke Test |  Growth A/B Testing |  Growth Funnel Analysis |
|---|---|---|---|---|
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 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 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 many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 1-4 Wochen | 1-5 Tage | 1-4 Wochen | 1-3 h |
Participantsdifferent | 5-20 | Nutzertraffic | 1-6 | 1-5 |
Formatsame | Async | Async | Async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Interest Metrics, Conversion Signal, Learning Note | Experiment results, Decision log, Learning summary | Funnel report, Drop-off analysis, Optimization hypotheses |
Tagsno overlap | UX researchTrackingBehavior | ValidationExperimentsDemandGrowth | ExperimentsGrowthAnalyticsValidation | AnalyticsConversionGrowth |