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| Criterion |  UX Research User Interviews |  UX Research Affinity Diagramming |  Decision Making Argument Mapping |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30–60 min per interview | 45–90 min | 1-3 h | 45-90 min |
Participantsdifferent | 1 participant per interview | 3-10 | 1-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Theme clusters, Insight statements, Opportunity areas | Argument Map, Evidence Gaps, Decision Rationale | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | QualitativeResearchCustomerDiscovery | SynthesisQualitativeRoot cause | SensemakingDecisionRationale | AssumptionsRiskDecisionDiscovery |