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| Criterion |  UX Research User Interviews |  Product Discovery Kano Model |  Operations ALPEN Method |  Operations ABC Analysis |
|---|---|---|---|---|
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 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 an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30–60 min per interview | 1-2 Tage | 10-20 min daily | 30-60 min |
Participantsdifferent | 1 participant per interview | 10-50 | 1 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Kano Matrix, Feature Classes, Priority Themes | Daily Plan, Time Estimates, Review Notes | ABC Classification, Focus Rules, Control List |
Tagsno overlap | QualitativeResearchCustomerDiscovery | SatisfactionPrioritizationCustomer | PlanningTime managementProductivityOperations | PrioritizationOperationsPortfolio |