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| Criterion |  Decision Making Constraint Analysis |  UX Research Card Sorting |  UX Research First-click Testing |  Decision Making Pre-Mortem |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 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. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-90 min | 20-45 min | 1-2 Tage | 20–45 min |
Participantsdifferent | 2-8 | Based on research question | 10-30 | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Content groups, Label set, IA hypotheses | Click Heatmap, Success Rate, Design Recommendations | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | ConstraintsDecisionPlanningOptions | Information architectureNavigationStructure | UXNavigationFindabilityValidation | RiskDecisionFailurePlanning |