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| Criterion |  UX Research Usability Testing |  Growth A/B Testing |  UX Research Affinity Diagramming |  Innovation Design Sprint |
|---|---|---|---|---|
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 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 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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 1-2 h je Session | 1-4 Wochen | 45–90 min | 4-5 Tage |
Participantsdifferent | Based on research question | 1-6 | 3-10 | 5-8 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Experiment results, Decision log, Learning summary | Theme clusters, Insight statements, Opportunity areas | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationUXPrototype | ExperimentsGrowthAnalyticsValidation | SynthesisQualitativeRoot cause | Design sprintPrototypeValidationInnovation |