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| Criterion |  UX Research Affinity Diagramming |  Product Discovery Kano Model |  Operations Barrier 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 features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 45–90 min | 1-2 Tage | 2-4 h |
Participantsdifferent | 3-10 | 10-50 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Kano Matrix, Feature Classes, Priority Themes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | SynthesisQualitativeRoot cause | SatisfactionPrioritizationCustomer | Root causeSafetyIncident |
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