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Selected:Fishbone DiagramLean UX CanvasFailure Mode and Effects AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Operations Fishbone Diagram |  UX Design Lean UX Canvas |  Operations Failure Mode and Effects Analysis |  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. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | Medium | High | High |
Timedifferent | 30-60 min | 2-3 h | 2-6 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-8 | 3-8 | 3-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Completed Lean UX Canvas, Hypothesis list, First experiment | FMEA Table, Risk Priority, Mitigation Actions | 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 | CanvasHypothesisOutcomesDiscovery | RiskQualityOperationsRoot cause | ArchitectureQualityRiskTradeoffsStakeholders |