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| Criterion |  Operations Ivy Lee Method |  Product Discovery Kano Model |  UX Research User Interviews |
|---|---|---|---|
Purposedifferent | 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 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 teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 5-10 min daily | 1-2 Tage | 30–60 min per interview |
Participantsdifferent | 1 | 10-50 | 1 participant per interview |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Daily Priority List, Completion Notes | Kano Matrix, Feature Classes, Priority Themes | Interview Notes, Themes, Insight Summary |
Tagsno overlap | PrioritizationProductivityExecution | SatisfactionPrioritizationCustomer | QualitativeResearchCustomerDiscovery |
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