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Selected:ATAM (Architecture Tradeoff Analysis Method)Customer Journey MappingFishbone DiagramService Blueprinting
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  UX Research Customer Journey Mapping |  Operations Fishbone Diagram |  UX Design Service Blueprinting |
|---|---|---|---|---|
Purposedifferent | 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. | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | 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 a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. |
Complexitydifferent | High | Medium | Low | High |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 2-4 h | 30-60 min | 0.5-2 Tage |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 4-10 | 2-8 | 6-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Journey Map, Pain-point List, Opportunity Backlog | Fishbone Diagram, Cause Categories, Investigation Backlog | Service Blueprint, Fail Points, Ownership Map |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | JourneyServiceService design | Root causeQualityOperations | Service designOperationsJourneyBlueprint |