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Selected:Open Space TechnologyWorld CaféATAM (Architecture Tradeoff Analysis Method)Alignment Mapping
| Criterion |  Facilitation Open Space Technology |  Facilitation World Café |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Alignment Mapping |
|---|---|---|---|---|
Purposedifferent | When a complex topic does not yet have a fitting agenda, Open Space Technology hands topic ownership back to the participants. The format suits questions that only move forward when real interest determines the order. | When a group needs to connect many viewpoints in a short time, World Café creates a calm alternation between closeness and rotation. It sets thinking in motion without forcing the conversation into full-plenary rigidity. | 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 several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | 0.5-2 Tage | 60-180 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-2 h |
Participantsdifferent | 20-500+ | 12-100+ | Evaluation team, architects, and relevant stakeholders | 4-12 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Session Marketplace, Proceedings, Action Topics | Table Notes, Emergent Themes, Shared Questions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Alignment Map, Open Issues, Decision Questions |
Tagsno overlap | FacilitationLarge groupAutonomy | FacilitationDialogueLarge groupSensemaking | ArchitectureQualityRiskTradeoffsStakeholders | AlignmentStakeholdersStrategyFacilitation |