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| Criterion |  UX Research Affinity Diagramming |  UX Research Empathy Mapping |  Architecture Quality Attribute Workshop |  Operations 5 Whys |
|---|---|---|---|---|
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 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. | A Quality Attribute Workshop translates quality requirements into concrete scenarios and architecture impulses. The method brings product, engineering, and operations to the same view of desired properties. | 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 | 45–90 min | 30–60 min | 2-4 h | 15-30 min |
Participantsdifferent | 3-10 | 4-8 | 5-15 | 2-6 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Empathy Map, Assumptions List, Research Gaps | Quality Scenarios, Priority List, Architecture Concerns | Root cause notes, Countermeasures |
Tagsno overlap | SynthesisQualitativeRoot cause | SynthesisQualitativeWorkshop | RequirementsArchitectureWorkshop | Root causeIncidentLeanProblem solving |