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| Criterion |  UX Research Empathy Mapping |  UX Research Affinity Diagramming |  UX Research HEART Framework |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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. | Helps clarify observations, needs, and patterns in concrete terms. It groups observations into patterns, questions, and decisions. The result is captured as a HEART-GSM table and dashboard. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30–60 min | 45–90 min | 120 min initial, dann laufend | 15-30 min |
Participantsdifferent | 4-8 | 3-10 | 3-6 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Empathy Map, Assumptions List, Research Gaps | Theme clusters, Insight statements, Opportunity areas | HEART-GSM Table, Dashboard | Root cause notes, Countermeasures |
Tagsno overlap | SynthesisQualitativeWorkshop | SynthesisQualitativeRoot cause | MetricsUX researchMeasurementSatisfaction | Root causeIncidentLeanProblem solving |