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| Criterion |  Product Discovery Solution Interview |  Product Strategy Lean Canvas |  Growth A/B Testing |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 | Medium | High | Medium |
Timedifferent | 30-60 min je Interview | 45-90 min | 1-4 Wochen | 1-2 Wochen pro Iteration |
Participantsdifferent | 5-10 Interviews | 1-6 | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Lean Canvas, Core Assumptions, Experiment Backlog | Experiment results, Decision log, Learning summary | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ValidationInterviewsPrototype | StartupLeanAssumptionsBusiness model | ExperimentsGrowthAnalyticsValidation | ExperimentsValidationDiscoveryAssumptions |