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| Criterion |  UX Research Card Sorting |  UX Research Surveys |  Growth A/B Testing |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | 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 a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 20-45 min | 3-14 Tage | 1-4 Wochen | 45-60 min |
Participantsdifferent | Based on research question | 50+ | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Survey Results, Charts, Segment Insights | Experiment results, Decision log, Learning summary | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | Information architectureNavigationStructure | QuantitativeResearchValidation | ExperimentsGrowthAnalyticsValidation | AssumptionsRiskExperimentsValidation |