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| Criterion |  Product Discovery Test Card |  Product Strategy Counter Metrics |  UX Research HEART Framework |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. | 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 | Low | Low | Medium | Low |
Timedifferent | 20-35 min | 30-60 min | 120 min initial, dann laufend | 30-60 min |
Participantsdifferent | 1-5 | 2-6 | 3-6 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Test Card with a pre-set threshold | Counter Metric List, Guardrail Definitions | HEART-GSM Table, Dashboard | Completed Experiment Canvas, Success Metric |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | MetricsMeasurementStrategyExperiments | MetricsUX researchMeasurementSatisfaction | ExperimentsValidationDiscoveryHypothesis |