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| Criterion |  Product Discovery Kano Model |  UX Research Diary Study |  Product Strategy ICE Scoring |  UX Research HEART Framework |
|---|---|---|---|---|
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. | 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. | Helps clarify observations, needs, and patterns in concrete terms. It groups observations into patterns, questions, and decisions. The result is captured as a HEART-GSM table and dashboard. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-2 Tage | 1-4 Wochen | 30-60 min | 120 min initial, dann laufend |
Participantsdifferent | 10-50 | 5-20 | 2-8 | 3-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Diary Entries, Longitudinal Patterns, Experience Timeline | ICE Table, Top Idea List | HEART-GSM Table, Dashboard |
Tagsno overlap | SatisfactionPrioritizationCustomer | UX researchTrackingBehavior | PrioritizationScoringGrowthDecision | MetricsUX researchMeasurementSatisfaction |