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| Criterion |  Growth A/B Testing |  UX Research Card Sorting |  Product Discovery Test Card |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | 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 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-4 Wochen | 20-45 min | 20-35 min | 25-40 min |
Participantsdifferent | 1-6 | Based on research question | 1-5 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | Content groups, Label set, IA hypotheses | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | Information architectureNavigationStructure | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |