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| Criterion |  Innovation Design Sprint |  UX Research First-click Testing |  Architecture Architecture Decision Record |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. | 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. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 4-5 Tage | 1-2 Tage | 15-45 min | 1-2 Tage |
Participantsdifferent | 5-8 | 10-30 | 1-3 | 1-4 |
Formatdifferent | Workshop | Async | Async | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Click Heatmap, Success Rate, Design Recommendations | ADR File, Decision Log, Rationale | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | Design sprintPrototypeValidationInnovation | UXNavigationFindabilityValidation | ArchitectureRationaleDocumentationGovernance | ArchitectureDocumentationCommunication |