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| Criterion |  Product Strategy Counter Metrics |  Product Discovery Assumption Mapping |  Engineering Goal Question Metric |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | 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 | Low | Medium | Medium | Medium |
Timedifferent | 30-60 min | 45-60 min | 90-180 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-6 | 2-8 | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Counter Metric List, Guardrail Definitions | Assumption map, Test backlog, Risk ranking | GQM Table, Metric Profiles | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | MetricsMeasurementStrategyExperiments | AssumptionsRiskExperimentsValidation | MetricsMeasurementEngineeringAlignment | ExperimentsValidationDiscoveryAssumptions |