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| Criterion |  UX Research Card Sorting |  Decision Making Constraint Analysis |  Decision Making Pre-Mortem |  Decision Making Red Teaming |
|---|---|---|---|---|
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 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. | 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. | For strategic decisions with high reach, agreement and gut feeling are often not enough. Red teaming brings deliberate opposition into the situation and tests where a plan breaks under real counterarguments. |
Complexitydifferent | Low | Low | Low | High |
Timedifferent | 20-45 min | 30-90 min | 20–45 min | 1-4 h |
Participantsdifferent | Based on research question | 2-8 | Small cross-functional group | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Content groups, Label set, IA hypotheses | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Risk list, Mitigation plan, Assumption log | Challenge Findings, Risk Register, Mitigation Plan |
Tagsno overlap | Information architectureNavigationStructure | ConstraintsDecisionPlanningOptions | RiskDecisionFailurePlanning | RiskDecisionSensemaking |