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| Criterion |  Product Discovery Opportunity Solution Tree |  Engineering Goal Question Metric |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 h Setup, laufend | 90-180 min | 30-60 min | 20-35 min |
Participantsdifferent | 2-6 | 3-6 | 1-5 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Opportunity Solution Tree, Experiment Backlog, Learning Log | GQM Table, Metric Profiles | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | DiscoveryOutcomesExperimentsOpportunity | MetricsMeasurementEngineeringAlignment | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |