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| Criterion |  UX Research Card Sorting |  Decision Making Pre-Mortem |  UX Research First-click Testing |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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 users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 20-45 min | 20–45 min | 1-2 Tage | 45-60 min |
Participantsdifferent | Based on research question | Small cross-functional group | 10-30 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Risk list, Mitigation plan, Assumption log | Click Heatmap, Success Rate, Design Recommendations | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | Information architectureNavigationStructure | RiskDecisionFailurePlanning | UXNavigationFindabilityValidation | AssumptionsRiskExperimentsValidation |