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| Criterion |  Decision Making Trade-off Analysis |  Decision Making Decision Tree |  UX Research Empathy Mapping |  UX Research Affinity Diagramming |
|---|---|---|---|---|
Purposedifferent | 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 45-120 min | 30-90 min | 30–60 min | 45–90 min |
Participantsdifferent | 2-8 | 1-6 | 4-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Decision Tree, Option Map, Assumption List | Empathy Map, Assumptions List, Research Gaps | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | TradeoffsDecisionCriteriaOptions | DecisionTreeOptions | SynthesisQualitativeWorkshop | SynthesisQualitativeRoot cause |