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| Criterion |  UX Research Card Sorting |  Product Strategy Lean Canvas |  Growth A/B Testing |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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 | Low | Medium | High | Medium |
Timedifferent | 20-45 min | 45-90 min | 1-4 Wochen | 1-2 Wochen pro Iteration |
Participantsdifferent | Based on research question | 1-6 | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Lean Canvas, Core Assumptions, Experiment Backlog | Experiment results, Decision log, Learning summary | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | Information architectureNavigationStructure | StartupLeanAssumptionsBusiness model | ExperimentsGrowthAnalyticsValidation | ExperimentsValidationDiscoveryAssumptions |