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| Criterion |  UX Research Diary Study |  Product Discovery Opportunity Solution Tree |  UX Research HEART Framework |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | 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 discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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 experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 1-2 h Setup, laufend | 120 min initial, dann laufend | 30-60 min |
Participantsdifferent | 5-20 | 2-6 | 3-6 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Opportunity Solution Tree, Experiment Backlog, Learning Log | HEART-GSM Table, Dashboard | Completed Experiment Canvas, Success Metric |
Tagsno overlap | UX researchTrackingBehavior | DiscoveryOutcomesExperimentsOpportunity | MetricsUX researchMeasurementSatisfaction | ExperimentsValidationDiscoveryHypothesis |