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| Criterion |  UX Research Card Sorting |  Growth A/B Testing |  Architecture Architecture Decision Record |
|---|---|---|---|
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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Low | High | Low |
Timedifferent | 20-45 min | 1-4 Wochen | 15-45 min |
Participantsdifferent | Based on research question | 1-6 | 1-3 |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Content groups, Label set, IA hypotheses | Experiment results, Decision log, Learning summary | ADR File, Decision Log, Rationale |
Tagsno overlap | Information architectureNavigationStructure | ExperimentsGrowthAnalyticsValidation | ArchitectureRationaleDocumentationGovernance |
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