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| Criterion |  Architecture Architecture Decision Record |  UX Research Card Sorting |  Decision Making Argument Mapping |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | 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 | Low | Medium | Low |
Timedifferent | 15-45 min | 20-45 min | 1-3 h | 30-60 min |
Participantsdifferent | 1-3 | Based on research question | 1-8 | 2-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Content groups, Label set, IA hypotheses | Argument Map, Evidence Gaps, Decision Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | Information architectureNavigationStructure | SensemakingDecisionRationale | DecisionRolesGovernanceAlignment |