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| Criterion |  Decision Making Decision Matrix |  UX Research Affinity Diagramming |  Product Discovery Assumption Mapping |
|---|---|---|---|
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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 45-90 min | 45–90 min | 45-60 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 map, Test backlog, Risk ranking |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | SynthesisQualitativeRoot cause | AssumptionsRiskExperimentsValidation |
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