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| Criterion |  Architecture Architecture Decision Record |  UX Research Affinity Diagramming |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|
Purposedifferent | 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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 | Low | Medium |
Timedifferent | 15-45 min | 45–90 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 1-3 | 3-10 | 2-6 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Theme clusters, Insight statements, Opportunity areas | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | SynthesisQualitativeRoot cause | ExperimentsValidationDiscoveryAssumptions |
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