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| Criterion |  UX Research Empathy Mapping |  Operations Root Cause Tree Analysis |  Operations Root Cause Analysis |  UX Research Affinity Diagramming |
|---|---|---|---|---|
Purposedifferent | 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 | Low | Medium | Medium | Low |
Timedifferent | 30–60 min | 1-3 h | 1-4 h | 45–90 min |
Participantsdifferent | 4-8 | 2-8 | 3-8 | 3-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Empathy Map, Assumptions List, Research Gaps | Cause Tree, Evidence Notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | SynthesisQualitativeWorkshop | Root causeTreeIncidentQuality | Root causeProblem solvingQualityIncident | SynthesisQualitativeRoot cause |