View methods side by side.
Choose up to four methods. Add them using the search and share the comparison by copying its link.
| Criterion |  UX Research Card Sorting |  Decision Making Pre-Mortem |  Growth A/B Testing |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Low | Low | High | Low |
Timedifferent | 20-45 min | 20–45 min | 1-4 Wochen | 45-90 min |
Participantsdifferent | Based on research question | Small cross-functional group | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Risk list, Mitigation plan, Assumption log | Experiment results, Decision log, Learning summary | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | Information architectureNavigationStructure | RiskDecisionFailurePlanning | ExperimentsGrowthAnalyticsValidation | AssumptionsRiskDecisionDiscovery |