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| Criterion |  Product Discovery Kano Model |  UX Design Service Blueprinting |  UX Research User Interviews |
|---|---|---|---|
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 a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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 | Medium | High | Low |
Timedifferent | 1-2 Tage | 0.5-2 Tage | 30–60 min per interview |
Participantsdifferent | 10-50 | 6-12 | 1 participant per interview |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Service Blueprint, Fail Points, Ownership Map | Interview Notes, Themes, Insight Summary |
Tagsno overlap | SatisfactionPrioritizationCustomer | Service designOperationsJourneyBlueprint | QualitativeResearchCustomerDiscovery |
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