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| Criterion |  Decision Making Decision Matrix |  UX Research Affinity Diagramming |  Decision Making Assumption Surfacing |
|---|---|---|---|
Purposedifferent | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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. | 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 | Medium | Low | Low |
Timedifferent | 45-90 min | 45–90 min | 45-90 min |
Participantsdifferent | 2-8 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Decision Matrix, Scoring Rationale, Selected Option | Theme clusters, Insight statements, Opportunity areas | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | SynthesisQualitativeRoot cause | AssumptionsRiskDecisionDiscovery |
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