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| Criterion |  UX Research Tree Testing |  Architecture Request for Comments |  Architecture arc42 |  UX Research Card Sorting |
|---|---|---|---|---|
Purposedifferent | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 Tage | 1-3 Wochen vom Draft bis zur Entscheidung | 1-2 Tage | 20-45 min |
Participantsdifferent | Based on research question | 3-20 Reviewer | 1-4 | Based on research question |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Architecture Document, Context View, Runtime View, Deployment View | Content groups, Label set, IA hypotheses |
Tagsno overlap | Information architectureNavigationFindability | ArchitectureDecisionAsyncGovernance | ArchitectureDocumentationCommunication | Information architectureNavigationStructure |