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| Criterion |  UX Research HEART Framework |  Product Discovery Smoke Test |  Product Discovery Experiment Canvas |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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 demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 120 min initial, dann laufend | 1-5 Tage | 30-60 min | 1-5 Tage |
Participantsdifferent | 3-6 | Nutzertraffic | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | HEART-GSM Table, Dashboard | Interest Metrics, Conversion Signal, Learning Note | Completed Experiment Canvas, Success Metric | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | MetricsUX researchMeasurementSatisfaction | ValidationExperimentsDemandGrowth | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |