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| Criterion |  Product Discovery Kano Model |  Operations ABC Analysis |  UX Research Card Sorting |  Operations ALPEN Method |
|---|---|---|---|---|
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 many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 Tage | 30-60 min | 20-45 min | 10-20 min daily |
Participantsdifferent | 10-50 | 1-5 | Based on research question | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | ABC Classification, Focus Rules, Control List | Content groups, Label set, IA hypotheses | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | SatisfactionPrioritizationCustomer | PrioritizationOperationsPortfolio | Information architectureNavigationStructure | PlanningTime managementProductivityOperations |