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| Criterion |  UX Research Affinity Diagramming |  Decision Making Decision Matrix |  Decision Making Trade-off Analysis |
|---|---|---|---|
Purposedifferent | 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 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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 45–90 min | 45-90 min | 45-120 min |
Participantsdifferent | 3-10 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Decision Matrix, Scoring Rationale, Selected Option | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tagsno overlap | SynthesisQualitativeRoot cause | DecisionCriteriaScoringTradeoffs | TradeoffsDecisionCriteriaOptions |
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