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| Criterion |  Operations Fishbone Diagram |  UX Research First-click Testing |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. |
Complexitydifferent | Low | Low | High |
Timedifferent | 30-60 min | 1-2 Tage | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-8 | 10-30 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Click Heatmap, Success Rate, Design Recommendations | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | Root causeQualityOperations | UXNavigationFindabilityValidation | ArchitectureQualityRiskTradeoffsStakeholders |
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