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| Criterion |  UX Research Surveys |  Decision Making Pre-Mortem |  Decision Making Decision Tree |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 3-14 Tage | 20–45 min | 30-90 min | 45-60 min |
Participantsdifferent | 50+ | Small cross-functional group | 1-6 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Survey Results, Charts, Segment Insights | Risk list, Mitigation plan, Assumption log | Decision Tree, Option Map, Assumption List | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | QuantitativeResearchValidation | RiskDecisionFailurePlanning | DecisionTreeOptions | AssumptionsRiskExperimentsValidation |