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| Criterion |  Product Discovery Kano Model |  Operations Ivy Lee Method |  UX Research Affinity Diagramming |
|---|---|---|---|
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. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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 | Medium | Low | Low |
Timedifferent | 1-2 Tage | 5-10 min daily | 45–90 min |
Participantsdifferent | 10-50 | 1 | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Daily Priority List, Completion Notes | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | SatisfactionPrioritizationCustomer | PrioritizationProductivityExecution | SynthesisQualitativeRoot cause |
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