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Selected:Expectation MappingATAM (Architecture Tradeoff Analysis Method)Fishbone Diagram8D Problem Solving
| Criterion |  Facilitation Expectation Mapping |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Fishbone Diagram |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. | 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 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | High | Low | High |
Timedifferent | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min | 1-6 Wochen |
Participantsdifferent | 3-12 | Evaluation team, architects, and relevant stakeholders | 2-8 | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Expectation Map, Alignment Notes, Agreements | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Fishbone Diagram, Cause Categories, Investigation Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | AlignmentStakeholdersTeam | ArchitectureQualityRiskTradeoffsStakeholders | Root causeQualityOperations | QualityProblem solvingRoot cause |