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| Criterion |  UX Research First-click Testing |  Architecture Architecture Decision Record |  Product Discovery Riskiest Assumption Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 1-2 Tage | 15-45 min | 1-2 Wochen pro Iteration | 1-5 Tage |
Participantsdifferent | 10-30 | 1-3 | 2-6 | Nutzertraffic |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Click Heatmap, Success Rate, Design Recommendations | ADR File, Decision Log, Rationale | Prioritized Assumption List, Test Plan, Results Report | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | UXNavigationFindabilityValidation | ArchitectureRationaleDocumentationGovernance | ExperimentsValidationDiscoveryAssumptions | ValidationExperimentsDemandDiscovery |