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| Criterion |  Facilitation Lean Coffee |  Operations RACI Matrix |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Delivery RAID Log |
|---|---|---|---|---|
Purposedifferent | When a group without a fixed agenda needs to get into useful conversations quickly, Lean Coffee structures the start around interests rather than a presentation. The group itself negotiates which topics get time first and which wait. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. |
Complexitydifferent | Low | Low | High | Low |
Timedifferent | 30-90 min | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 30 min Setup, dann laufend |
Participantsdifferent | 3-20 | 2-8 | Evaluation team, architects, and relevant stakeholders | 1-3 maintaining, briefing for everyone |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Prioritized Topics, Discussion Notes, Action Items | RACI Matrix, Responsibility Map, Decision Notes | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | RAID Log, Status Report Source |
Tagsno overlap | FacilitationAutonomyDialogue | RolesResponsibilityGovernanceOperations | ArchitectureQualityRiskTradeoffsStakeholders | RiskTrackingStakeholdersGovernance |