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| Criterion |  Product Discovery Riskiest Assumption Test |  Engineering Goal Question Metric |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | 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. | 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-2 Wochen pro Iteration | 90-180 min | 1-5 Tage |
Participantsdifferent | 2-6 | 3-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Prioritized Assumption List, Test Plan, Results Report | GQM Table, Metric Profiles | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ExperimentsValidationDiscoveryAssumptions | MetricsMeasurementEngineeringAlignment | ValidationExperimentsDemandDiscovery |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
