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| Criterion |  Growth A/B Testing |  Systems Thinking Future Reality Tree |  Product Discovery Riskiest Assumption Test |  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. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | High | Medium | Medium |
Timedifferent | 1-4 Wochen | 2-4 h | 1-2 Wochen pro Iteration | 45-60 min |
Participantsdifferent | 1-6 | 3-8 | 2-6 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Prioritized Assumption List, Test Plan, Results Report | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | Theory of ConstraintsSystems thinkingChange | ExperimentsValidationDiscoveryAssumptions | AssumptionsRiskExperimentsValidation |