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| Criterion |  UX Research Card Sorting |  Knowledge Modeling IBIS |  Decision Making DACI |
|---|---|---|---|
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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 20-45 min | 1-3 h | 30-60 min |
Participantsdifferent | Based on research question | 2-8 | 2-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Issue Map, Positions, Argument Notes | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | Information architectureNavigationStructure | RationaleKnowledgeDecision | DecisionRolesGovernanceAlignment |
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