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| Criterion |  Product Discovery Working Backwards |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Expectation Mapping |
|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | 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 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. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 4-8 h, mehrere Iterationen | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min |
Participantsdifferent | 2-6 | Evaluation team, architects, and relevant stakeholders | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Expectation Map, Alignment Notes, Agreements |
Tagsno overlap | VisionNarrativeAlignment | ArchitectureQualityRiskTradeoffsStakeholders | AlignmentStakeholdersTeam |
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