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| Criterion |  UX Research Card Sorting |  Product Discovery Assumption Mapping |  Architecture Risk Storming |  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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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 | Low | Medium |
Timedifferent | 20-45 min | 45-60 min | 60-90 min | 1-2 Wochen pro Iteration |
Participantsdifferent | Based on research question | 2-8 | 4-12 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Assumption map, Test backlog, Risk ranking | Annotated Diagram, Prioritized Risk List, Action Backlog | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | Information architectureNavigationStructure | AssumptionsRiskExperimentsValidation | RiskArchitectureWorkshopValidation | ExperimentsValidationDiscoveryAssumptions |