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| Criterion |  Product Discovery MVP Test Matrix |  Product Discovery Learning Card |  Product Strategy Counter Metrics |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 45-75 min | 25-40 min | 30-60 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-8 | 1-5 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Test Matrix, Test Plan | Learning Card with evidence and next action | Counter Metric List, Guardrail Definitions | Prioritized Assumption List, Test Plan, Results Report |
Tags1 shared | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryLearning | MetricsMeasurementStrategyExperiments | ExperimentsValidationDiscoveryAssumptions |