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| Criterion |  Product Discovery Kano Model |  UX Research Diary Study |  Operations ALPEN Method |  Operations Eat the Frog |
|---|---|---|---|---|
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 experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 Tage | 1-4 Wochen | 10-20 min daily | 15-90 min daily |
Participantsdifferent | 10-50 | 5-20 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Diary Entries, Longitudinal Patterns, Experience Timeline | Daily Plan, Time Estimates, Review Notes | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | SatisfactionPrioritizationCustomer | UX researchTrackingBehavior | PlanningTime managementProductivityOperations | PrioritizationProductivityFocusExecution |