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| Criterion |  Product Discovery Learning Card |  UX Research HEART Framework |  Product Discovery MVP Test Matrix |  Product Strategy Counter Metrics |
|---|---|---|---|---|
Purposedifferent | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 25-40 min | 120 min initial, dann laufend | 45-75 min | 30-60 min |
Participantsdifferent | 1-5 | 3-6 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Learning Card with evidence and next action | HEART-GSM Table, Dashboard | Test Matrix, Test Plan | Counter Metric List, Guardrail Definitions |
Tagsno overlap | ExperimentsValidationDiscoveryLearning | MetricsUX researchMeasurementSatisfaction | ExperimentsValidationDiscoveryOptions | MetricsMeasurementStrategyExperiments |