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| Criterion |  UX Research Usability Testing |  UX Research First-click Testing |  Architecture Request for Comments |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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 RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-2 h je Session | 1-2 Tage | 1-3 Wochen vom Draft bis zur Entscheidung | 90-180 min |
Participantsdifferent | Based on research question | 10-30 | 3-20 Reviewer | 4-12 |
Formatdifferent | Workshop + async | Async | Async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Click Heatmap, Success Rate, Design Recommendations | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Rights Matrix, Agreement |
Tagsno overlap | ValidationUXPrototype | UXNavigationFindabilityValidation | ArchitectureDecisionAsyncGovernance | DecisionGovernanceAlignmentResponsibility |