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| Criterion |  Growth A/B Testing |  UX Research Usability Testing |  Innovation Design Sprint |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | 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 a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | 1-4 Wochen | 1-2 h je Session | 4-5 Tage | 45-60 min |
Participantsdifferent | 1-6 | Based on research question | 5-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | Usability Issues, Severity List, Recommendations | Prototype, Test Findings, Decision Rationale | Assumption map, Test backlog, Risk ranking |
Tags1 shared | ExperimentsGrowthAnalyticsValidation | ValidationUXPrototype | Design sprintPrototypeValidationInnovation | AssumptionsRiskExperimentsValidation |