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| Criterion |  UX Research Usability Testing |  UX Research Affinity Diagramming |  Growth A/B Testing |  UX Research Empathy Mapping |
|---|---|---|---|---|
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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 1-2 h je Session | 45–90 min | 1-4 Wochen | 30–60 min |
Participantsdifferent | Based on research question | 3-10 | 1-6 | 4-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Theme clusters, Insight statements, Opportunity areas | Experiment results, Decision log, Learning summary | Empathy Map, Assumptions List, Research Gaps |
Tagsno overlap | ValidationUXPrototype | SynthesisQualitativeRoot cause | ExperimentsGrowthAnalyticsValidation | SynthesisQualitativeWorkshop |