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| Criterion |  UX Research Card Sorting |  Growth A/B Testing |  Product Discovery Test Card |
|---|---|---|---|
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 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | High | Low |
Timedifferent | 20-45 min | 1-4 Wochen | 20-35 min |
Participantsdifferent | Based on research question | 1-6 | 1-5 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Experiment results, Decision log, Learning summary | Test Card with a pre-set threshold |
Tagsno overlap | Information architectureNavigationStructure | ExperimentsGrowthAnalyticsValidation | ExperimentsValidationDiscoveryHypothesis |
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