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| Criterion |  UX Research Surveys |  Decision Making Delphi Method |  Product Discovery Assumption Mapping |  Growth A/B Testing |
|---|---|---|---|---|
Purposedifferent | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 3-14 Tage | 1-4 Wochen | 45-60 min | 1-4 Wochen |
Participantsdifferent | 50+ | 6-30 Experten | 2-8 | 1-6 |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Survey Results, Charts, Segment Insights | Expert Forecast, Consensus Range, Assumption Notes | Assumption map, Test backlog, Risk ranking | Experiment results, Decision log, Learning summary |
Tagsno overlap | QuantitativeResearchValidation | ForecastingExpertsDecisionStrategy | AssumptionsRiskExperimentsValidation | ExperimentsGrowthAnalyticsValidation |