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| Criterion |  UX Research User Interviews |  Product Strategy RICE Scoring |  Product Discovery Kano Model |  Product Strategy ICE Scoring |
|---|---|---|---|---|
Purposedifferent | 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. | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | 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 ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30–60 min per interview | 60-90 min | 1-2 Tage | 30-60 min |
Participantsdifferent | 1 participant per interview | 2-10 | 10-50 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | RICE Scores, Ranked List, Assumption Log | Kano Matrix, Feature Classes, Priority Themes | ICE Table, Top Idea List |
Tagsno overlap | QualitativeResearchCustomerDiscovery | PrioritizationScoringRoadmapTradeoffs | SatisfactionPrioritizationCustomer | PrioritizationScoringGrowthDecision |