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| Criterion |  Decision Making DACI |  UX Research First-click Testing |  UX Research Card Sorting |  Operations RACI Matrix |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-60 min | 1-2 Tage | 20-45 min | 45-90 min |
Participantsdifferent | 2-10 | 10-30 | Based on research question | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Click Heatmap, Success Rate, Design Recommendations | Content groups, Label set, IA hypotheses | RACI Matrix, Responsibility Map, Decision Notes |
Tagsno overlap | DecisionRolesGovernanceAlignment | UXNavigationFindabilityValidation | Information architectureNavigationStructure | RolesResponsibilityGovernanceOperations |