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| Criterion |  Product Discovery Kano Model |  UX Research Affinity Diagramming |  Systems Thinking Current Reality Tree |
|---|---|---|---|
Purposedifferent | 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. | 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 1-2 Tage | 45–90 min | 2-6 h |
Participantsdifferent | 10-50 | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Theme clusters, Insight statements, Opportunity areas | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | SatisfactionPrioritizationCustomer | SynthesisQualitativeRoot cause | Systems thinkingRoot causeConstraintsCausality |
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