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| Criterion |  UX Research Tree Testing |  Decision Making Pre-Mortem |  Growth A/B Testing |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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 demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 1-2 Tage | 20–45 min | 1-4 Wochen | 1-5 Tage |
Participantsdifferent | Based on research question | Small cross-functional group | 1-6 | Nutzertraffic |
Formatdifferent | Async | Workshop | Async | Async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Risk list, Mitigation plan, Assumption log | Experiment results, Decision log, Learning summary | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | Information architectureNavigationFindability | RiskDecisionFailurePlanning | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandGrowth |