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| Criterion |  Product Discovery Kano Model |  Product Strategy Impact Mapping |  UX Research HEART Framework |  UX Research Diary Study |
|---|---|---|---|---|
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 a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-2 Tage | 45-90 min | 120 min initial, dann laufend | 1-4 Wochen |
Participantsdifferent | 10-50 | 3-8 | 3-6 | 5-20 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Impact Map, Outcome Hypotheses, Delivery Options | HEART-GSM Table, Dashboard | Diary Entries, Longitudinal Patterns, Experience Timeline |
Tagsno overlap | SatisfactionPrioritizationCustomer | OutcomesStrategyBehaviorPlanning | MetricsUX researchMeasurementSatisfaction | UX researchTrackingBehavior |