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| Criterion |  Product Discovery Kano Model |  UX Research Diary Study |  Growth Flywheel |
|---|---|---|---|
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. | Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-2 Tage | 1-4 Wochen | 60-120 min |
Participantsdifferent | 10-50 | 5-20 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Diary Entries, Longitudinal Patterns, Experience Timeline | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog |
Tagsno overlap | SatisfactionPrioritizationCustomer | UX researchTrackingBehavior | GrowthRetentionConversion |
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